Questions — Edexcel (9670 questions)

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Edexcel P1 2021 June Q1
  1. The curve \(C\) has equation
$$y = \frac { x ^ { 2 } } { 3 } + \frac { 4 } { \sqrt { x } } + \frac { 8 } { 3 x } - 5 \quad x > 0$$
  1. Find \(\frac { \mathrm { d } y } { \mathrm {~d} x }\), giving your answer in simplest form. The point \(P ( 4,3 )\) lies on \(C\).
  2. Find the equation of the normal to \(C\) at the point \(P\). Write your answer in the form \(a x + b y + c = 0\), where \(a , b\) and \(c\) are integers to be found.
Edexcel P1 2021 June Q2
2. In this question you must show all stages of your working. Solutions relying on calculator technology are not acceptable. $$f ( x ) = a x ^ { 3 } + ( 6 a + 8 ) x ^ { 2 } - a ^ { 2 } x$$ where \(a\) is a positive constant. Given \(\mathrm { f } ( - 1 ) = 32\)
    1. show that the only possible value for \(a\) is 3
    2. Using \(a = 3\) solve the equation $$\mathrm { f } ( x ) = 0$$
  1. Hence find all real solutions of
    1. \(3 y + 26 y ^ { \frac { 2 } { 3 } } - 9 y ^ { \frac { 1 } { 3 } } = 0\)
    2. \(3 \left( 9 ^ { 3 z } \right) + 26 \left( 9 ^ { 2 z } \right) - 9 \left( 9 ^ { z } \right) = 0\)
Edexcel P1 2021 June Q3
  1. In this question you must show all stages of your working.
Solutions relying on calculator technology are not acceptable. \begin{figure}[h]
\includegraphics[alt={},max width=\textwidth]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-08_351_999_383_598} \captionsetup{labelformat=empty} \caption{Figure 1}
\end{figure} Figure 1 shows the plan view of a flower bed.
The flowerbed is in the shape of a triangle \(A B C\) with
  • \(A B = p\) metres
  • \(A C = q\) metres
  • \(B C = 2 \sqrt { 2 }\) metres
  • angle \(B A C = 60 ^ { \circ }\)
    1. Show that
$$p ^ { 2 } + q ^ { 2 } - p q = 8$$ Given that side \(A C\) is 2 metres longer than side \(A B\), use algebra to find
    1. the exact value of \(p\),
    2. the exact value of \(q\). Using the answers to part (b),
  • calculate the exact area of the flower bed.
  • Edexcel P1 2021 June Q4
    4. Find $$\int \frac { ( 3 \sqrt { x } + 2 ) ( x - 5 ) } { 4 \sqrt { x } } d x$$ writing each term in simplest form.
    Edexcel P1 2021 June Q5
    5. \begin{figure}[h]
    \includegraphics[alt={},max width=\textwidth]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-14_563_671_255_657} \captionsetup{labelformat=empty} \caption{Figure 2}
    \end{figure} The share value of two companies, company \(A\) and company \(B\), has been monitored over a 15-year period. The share value \(P _ { A }\) of company \(\boldsymbol { A }\), in millions of pounds, is modelled by the equation $$P _ { A } = 53 - 0.4 ( t - 8 ) ^ { 2 } \quad t \geqslant 0$$ where \(t\) is the number of years after monitoring began. The share value \(P _ { B }\) of company \(B\), in millions of pounds, is modelled by the equation $$P _ { B } = - 1.6 t + 44.2 \quad t \geqslant 0$$ where \(t\) is the number of years after monitoring began. Figure 2 shows a graph of both models. Use the equations of one or both models to answer parts (a) to (d).
    1. Find the difference between the share value of company \(\boldsymbol { A }\) and the share value of company \(\boldsymbol { B }\) at the point monitoring began.
    2. State the maximum share value of company \(\boldsymbol { A }\) during the 15-year period.
    3. Find, using algebra and showing your working, the times during this 15-year period when the share value of company \(\boldsymbol { A }\) was greater than the share value of company \(\boldsymbol { B }\).
    4. Explain why the model for company \(\boldsymbol { A }\) should not be used to predict its share value when \(t = 20\)
      \includegraphics[max width=\textwidth, alt={}, center]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-17_2644_1838_121_116}
    Edexcel P1 2021 June Q6
    6. The curve \(C\) has equation \(y = \mathrm { f } ( x ) , x > 0\) Given that
    • \(C\) passes through the point \(P ( 8,2 )\)
    • \(\mathrm { f } ^ { \prime } ( x ) = \frac { 32 } { 3 x ^ { 2 } } + 3 - 2 ( \sqrt [ 3 ] { x } )\)
      1. find the equation of the tangent to \(C\) at \(P\). Write your answer in the form \(y = m x + c\), where \(m\) and \(c\) are constants to be found.
        (3)
      2. Find, in simplest form, \(\mathrm { f } ( x )\).
        \includegraphics[max width=\textwidth, alt={}, center]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-21_2647_1840_118_111}
    Edexcel P1 2021 June Q7
    7. \begin{figure}[h]
    \includegraphics[alt={},max width=\textwidth]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-22_775_837_251_557} \captionsetup{labelformat=empty} \caption{Figure 3}
    \end{figure} The line \(l _ { 1 }\) has equation \(4 y + 3 x = 48\)
    The line \(l _ { 1 }\) cuts the \(y\)-axis at the point \(C\), as shown in Figure 3.
    1. State the \(y\) coordinate of \(C\). The point \(D ( 8,6 )\) lies on \(l _ { 1 }\)
      The line \(l _ { 2 }\) passes through \(D\) and is perpendicular to \(l _ { 1 }\) The line \(l _ { 2 }\) cuts the \(y\)-axis at the point \(E\) as shown in Figure 3.
    2. Show that the \(y\) coordinate of \(E\) is \(- \frac { 14 } { 3 }\) A sector \(B C E\) of a circle with centre \(C\) is also shown in Figure 3. Given that angle \(B C E\) is 1.8 radians,
    3. find the length of arc \(B E\). The region \(C B E D\), shown shaded in Figure 3, consists of the sector \(B C E\) joined to the triangle \(C D E\).
    4. Calculate the exact area of the region \(C B E D\).
    Edexcel P1 2021 June Q8
    8. The curve \(C _ { 1 }\) has equation $$y = 3 x ^ { 2 } + 6 x + 9$$
    1. Write \(3 x ^ { 2 } + 6 x + 9\) in the form $$a ( x + b ) ^ { 2 } + c$$ where \(a\), \(b\) and \(c\) are constants to be found. The point \(P\) is the minimum point of \(C _ { 1 }\)
    2. Deduce the coordinates of \(P\). A different curve \(C _ { 2 }\) has equation $$y = A x ^ { 3 } + B x ^ { 2 } + C x + D$$ where \(A\), \(B\), \(C\) and \(D\) are constants. Given that \(C _ { 2 }\)
      • passes through \(P\)
      • intersects the \(x\)-axis at \(- 4 , - 2\) and 3
      • find, making your method clear, the values of \(A , B , C\) and \(D\).
        \includegraphics[max width=\textwidth, alt={}, center]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-27_2644_1840_118_111}
      \includegraphics[max width=\textwidth, alt={}, center]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-29_2646_1838_121_116}
    Edexcel P1 2021 June Q9
    9. \begin{figure}[h]
    \includegraphics[alt={},max width=\textwidth]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-30_707_1034_251_456} \captionsetup{labelformat=empty} \caption{Figure 4}
    \end{figure} Figure 4 shows a sketch of the curve with equation $$y = \tan x \quad - 2 \pi \leqslant x \leqslant 2 \pi$$ The line \(l\), shown in Figure 4, is an asymptote to \(y = \tan x\)
    1. State an equation for \(l\). A copy of Figure 4, labelled Diagram 1, is shown on the next page.
      1. On Diagram 1, sketch the curve with equation $$y = \frac { 1 } { x } + 1 \quad - 2 \pi \leqslant x \leqslant 2 \pi$$ stating the equation of the horizontal asymptote of this curve.
      2. Hence, giving a reason, state the number of solutions of the equation
    2. State the number of solutions of the equation \(\tan x = \frac { 1 } { x } + 1\) in the region
      1. \(0 \leqslant x \leqslant 40 \pi\)
      2. \(- 10 \pi \leqslant x \leqslant \frac { 5 } { 2 } \pi\) $$\begin{aligned} & \qquad \tan x = \frac { 1 } { x } + 1
        & \text { in the region } - 2 \pi \leqslant x \leqslant 2 \pi \end{aligned}$$" \begin{figure}[h]
        \includegraphics[alt={},max width=\textwidth]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-31_725_1047_1078_447} \captionsetup{labelformat=empty} \caption{Diagram 1}
        \end{figure}
        \includegraphics[max width=\textwidth, alt={}]{877d03f2-d62c-4060-bdd2-f0d5dfbe6203-32_2644_1837_118_114}
    Edexcel P1 2022 June Q1
    1. Find
    $$\int \left( 10 x ^ { 5 } + 6 x ^ { 3 } - \frac { 3 } { x ^ { 2 } } \right) \mathrm { d } x$$ giving your answer in simplest form.
    Edexcel P1 2022 June Q2
    2. In the triangle \(A B C\),
    • \(A B = 21 \mathrm {~cm}\)
    • \(B C = 13 \mathrm {~cm}\)
    • angle \(B A C = 25 ^ { \circ }\)
    • angle \(A C B = x ^ { \circ }\)
      1. Use the sine rule to find the value of \(\sin x ^ { \circ }\), giving your answer to 4 decimal places.
    Given also that \(A B\) is the longest side of the triangle,
  • find the value of \(x\), giving your answer to 2 decimal places.
  • Edexcel P1 2022 June Q3
    3. In this question you must show all stages of your working. Solutions relying on calculator technology are not acceptable.
    1. Show that \(\frac { \sqrt { 180 } - \sqrt { 80 } } { \sqrt { 5 } }\) is an integer and find its value.
    2. Simplify $$\frac { 4 \sqrt { 5 } - 5 } { 7 - 3 \sqrt { 5 } }$$ giving your answer in the form \(a + b \sqrt { 5 }\) where \(a\) and \(b\) are rational numbers.
    Edexcel P1 2022 June Q4
    4. \begin{figure}[h]
    \includegraphics[alt={},max width=\textwidth]{3cf69966-e825-4ff0-a6e8-c5dfdc92c53f-08_604_1207_251_370} \captionsetup{labelformat=empty} \caption{Figure 1}
    \end{figure} Figure 1 shows a sketch of a curve with equation \(y = \mathrm { f } ( x )\)
    The curve has a minimum at \(P ( - 1,0 )\) and a maximum at \(Q \left( \frac { 3 } { 2 } , 2 \right)\)
    The line with equation \(y = 1\) is the only asymptote to the curve. On separate diagrams sketch the curves with equation
    1. \(y = \mathrm { f } ( x ) - 2\)
    2. \(y = \mathrm { f } ( - x )\) On each sketch you must clearly state
      • the coordinates of the maximum and minimum points
      • the equation of the asymptote
    Edexcel P1 2022 June Q5
    1. The curve \(C\) has equation \(y = \mathrm { f } ( x )\)
    Given that
    • \(\mathrm { f } ( x )\) is a quadratic expression
    • the maximum turning point on \(C\) has coordinates \(( - 2,12 )\)
    • \(C\) cuts the negative \(x\)-axis at - 5
      1. find \(\mathrm { f } ( x )\)
    The line \(l _ { 1 }\) has equation \(y = \frac { 4 } { 5 } x\) Given that the line \(l _ { 2 }\) is perpendicular to \(l _ { 1 }\) and passes through \(( - 5,0 )\)
  • find an equation for \(l _ { 2 }\), writing your answer in the form \(y = m x + c\) where \(m\) and \(c\) are constants to be found.
    (3) \begin{figure}[h]
    \includegraphics[alt={},max width=\textwidth]{3cf69966-e825-4ff0-a6e8-c5dfdc92c53f-10_983_712_1126_616} \captionsetup{labelformat=empty} \caption{Figure 2}
    \end{figure} Figure 2 shows a sketch of the curve \(C\) and the lines \(l _ { 1 }\) and \(l _ { 2 }\)
  • Define the region \(R\), shown shaded in Figure 2, using inequalities.
  • Edexcel P1 2022 June Q6
    6. In this question you must show all stages of your working. Solutions relying on calculator technology are not acceptable.
    1. Given that $$2 x y - 3 x ^ { 2 } = 50$$ and $$y - x ^ { 3 } + 6 x = 0$$ show that $$2 x ^ { 4 } - 15 x ^ { 2 } - 50 = 0$$
    2. Hence solve the simultaneous equations $$\begin{aligned} 2 x y - 3 x ^ { 2 } & = 50
      y - x ^ { 3 } + 6 x & = 0 \end{aligned}$$ Give your answers in fully simplified surd form.
      \includegraphics[max width=\textwidth, alt={}, center]{3cf69966-e825-4ff0-a6e8-c5dfdc92c53f-14_2257_52_312_1982}
    Edexcel P1 2022 June Q7
    7. The curve \(C\) has equation \(y = \mathrm { f } ( x ) , x > 0\) Given that
    • \(\mathrm { f } ^ { \prime } ( x ) = \frac { 2 } { \sqrt { x } } + \frac { A } { x ^ { 2 } } + 3\), where \(A\) is a constant
    • \(\mathrm { f } ^ { \prime \prime } ( x ) = 0\) when \(x = 4\)
      1. find the value of \(A\).
    Given also that
    • \(\mathrm { f } ( x ) = 8 \sqrt { 3 }\), when \(x = 12\)
    • find \(\mathrm { f } ( x )\), giving each term in simplest form.
    Edexcel P1 2022 June Q8
    8. \begin{figure}[h]
    \includegraphics[alt={},max width=\textwidth]{3cf69966-e825-4ff0-a6e8-c5dfdc92c53f-22_922_876_246_539} \captionsetup{labelformat=empty} \caption{Figure 3}
    \end{figure} Figure 3 shows a sketch of the outline of the face of a ceiling fan viewed from below.
    The fan consists of three identical sections congruent to \(O A B C D O\), shown in Figure 3, where
    • \(O A B O\) is a sector of a circle with centre \(O\) and radius 9 cm
    • \(O B C D O\) is a sector of a circle with centre \(O\) and radius 84 cm
    • angle \(A O D = \frac { 2 \pi } { 3 }\) radians
    Given that the length of the arc \(A B\) is 15 cm ,
    1. show that the length of the arc \(C D\) is 35.9 cm to one decimal place. The face of the fan is modelled to be a flat surface.
      Find, according to the model,
    2. the perimeter of the face of the fan, giving your answer to the nearest cm,
    3. the surface area of the face of the fan. Give your answer to 3 significant figures and make your units clear.
    Edexcel P1 2022 June Q9
    9. \begin{figure}[h]
    \includegraphics[alt={},max width=\textwidth]{3cf69966-e825-4ff0-a6e8-c5dfdc92c53f-26_428_1354_251_287} \captionsetup{labelformat=empty} \caption{Figure 4}
    \end{figure} Figure 4 shows part of the graph of the curve with equation \(y = \sin x\) Given that \(\sin \alpha = p\), where \(0 < \alpha < 90 ^ { \circ }\)
    1. state, in terms of \(p\), the value of
      1. \(2 \sin \left( 180 ^ { \circ } - \alpha \right)\)
      2. \(\sin \left( \alpha - 180 ^ { \circ } \right)\)
      3. \(3 + \sin \left( 180 ^ { \circ } + \alpha \right)\) A copy of Figure 4, labelled Diagram 1, is shown on page 27. On Diagram 1,
    2. sketch the graph of \(y = \sin 2 x\)
    3. Hence find, in terms of \(\alpha\), the \(x\) coordinates of any points in the interval \(0 < x < 180 ^ { \circ }\) where $$\sin 2 x = p$$
      \includegraphics[max width=\textwidth, alt={}]{3cf69966-e825-4ff0-a6e8-c5dfdc92c53f-27_433_1331_296_310}
      \section*{Diagram 1}
    Edexcel P1 2022 June Q10
    10. \begin{figure}[h]
    \includegraphics[alt={},max width=\textwidth]{3cf69966-e825-4ff0-a6e8-c5dfdc92c53f-28_655_869_255_541} \captionsetup{labelformat=empty} \caption{Figure 5}
    \end{figure} Figure 5 shows a sketch of the curve \(C\) with equation $$y = \frac { 2 } { 7 } x ^ { 3 } + \frac { 1 } { 7 } x ^ { 2 } - \frac { 5 } { 2 } x + k$$ where \(k\) is a constant.
    1. Find \(\frac { \mathrm { d } y } { \mathrm {~d} x }\) The line \(l\), shown in Figure 5, is the normal to \(C\) at the point \(A\) with \(x\) coordinate \(- \frac { 7 } { 2 }\) Given that \(l\) is also a tangent to \(C\) at the point \(B\),
    2. show that the \(x\) coordinate of the point \(B\) is a solution of the equation $$12 x ^ { 2 } + 4 x - 33 = 0$$
    3. Hence find the \(x\) coordinate of \(B\), justifying your answer. Given that the \(y\) intercept of \(l\) is - 1
    4. find the value of \(k\).
      \includegraphics[max width=\textwidth, alt={}]{3cf69966-e825-4ff0-a6e8-c5dfdc92c53f-32_2640_1840_118_114}
    Edexcel P1 2023 June Q1
    1. In this question you must show all stages of your working. Solutions relying on calculator technology are not acceptable.
    Solve the inequality $$4 x ^ { 2 } - 3 x + 7 \geq 4 x + 9$$
    Edexcel P1 2023 June Q2
    1. In this question you must show all stages of your working. Solutions relying entirely on calculator technology are not acceptable.
    A rectangular sports pitch has length \(x\) metres and width \(y\) metres, where \(x > y\) Given that the perimeter of the pitch is 350 m ,
    1. write down an equation linking \(x\) and \(y\) Given also that the area of the pitch is \(7350 \mathrm {~m} ^ { 2 }\)
    2. write down a second equation linking \(x\) and \(y\)
    3. hence find the value of \(x\) and the value of \(y\)
    Edexcel P1 2023 June Q3
    1. (a) Express \(3 x ^ { 2 } + 12 x + 13\) in the form
    $$a ( x + b ) ^ { 2 } + c$$ where \(a\), \(b\) and \(c\) are integers to be found.
    (b) Hence sketch the curve with equation \(y = 3 x ^ { 2 } + 12 x + 13\) On your sketch show clearly
    • the coordinates of the \(y\) intercept
    • the coordinates of the turning point of the curve
    Edexcel P1 2023 June Q4
    1. In this question you must show all stages of your working.
      1. Write
      $$y = \frac { 5 x ^ { 2 } + \sqrt { x ^ { 3 } } } { \sqrt [ 3 ] { 8 x } }$$ in the form $$y = A x ^ { p } + B x ^ { q }$$ where \(A , B , p\) and \(q\) are constants to be found.
    2. Hence find \(\frac { \mathrm { d } y } { \mathrm {~d} x }\) giving each coefficient in simplest form.
    Edexcel P1 2023 June Q5
    5. \begin{figure}[h]
    \includegraphics[alt={},max width=\textwidth]{a5a5dd8b-1438-4698-929a-c5e3d5ed0694-10_488_784_310_667} \captionsetup{labelformat=empty} \caption{Figure 1}
    \end{figure} Figure 1 shows the plan for a garden.
    In the plan
    • \(O A\) and \(C D\) are perpendicular to \(O D\)
    • \(A B\) is an arc of the circle with centre \(O\) and radius 4 metres
    • \(\quad B C\) is parallel to \(O D\)
    • \(O D\) is 6 metres, \(O A\) is 4 metres and \(C D\) is 1.5 metres
      1. Show that angle \(A O B\) is 1.186 radians to 4 significant figures.
      2. Find the perimeter of the garden, giving your answer in metres to 3 significant figures.
      3. Find the area of the garden, giving your answer in square metres to 3 significant figures.
    Edexcel P1 2023 June Q6
    1. In this question you must show all stages of your working. Solutions relying on calculator technology are not acceptable.
      1. Expand and simplify
      $$\left( r - \frac { 1 } { r } \right) ^ { 2 }$$
    2. Express \(\frac { 1 } { 3 + 2 \sqrt { 2 } }\) in the form \(p + q \sqrt { 2 }\) where \(p\) and \(q\) are integers.
    3. Use the results of parts (a) and (b), or otherwise, to show that $$\sqrt { 3 + 2 \sqrt { 2 } } - \frac { 1 } { \sqrt { 3 + 2 \sqrt { 2 } } } = 2$$