Shapes of Graphs (AQA GCSE Further Maths)

Exam Questions

48 mins14 questions
1a
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1 mark

Here is a sketch of y equals straight f left parenthesis x right parenthesis where straight f left parenthesis x right parenthesis is a quadratic function.

The graph

  • intersects the x-axis at Aleft parenthesis – 1 comma space 0 right parenthesis and B

  • has a maximum point atspace left parenthesis 0.5 comma space 6 right parenthesis

q5-paper2-spec2020-aqa-gcse-furthermaths

Work out the coordinates of B.

1b
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1 mark

The equation straight f left parenthesis x right parenthesis equals k has exactly one solution.

Write down the value of k.

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2a
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2 marks

Here is a sketch of y equals k to the power of x   where   k greater than 0

A open parentheses 2 comma space 3 1 over 16 close parentheses is a point on the curve.

q13-paper1-nov2021-aqa-gcse-furthermaths

Work out the value of k.

2b
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1 mark

B is a point on the curve with x-coordinate – 1

Work out the y-coordinate of B.

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3a
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1 mark

The function   straight f open parentheses x close parentheses equals x squared minus 4 x plus 1   has domain  negative 1 less-than or slanted equal to x less-than or slanted equal to 5   

Here is the graph of   y equals straight f open parentheses x close parentheses

qp2-2016-paper-2-aqa-gcse-further-maths

Write down the equation of the line of symmetry of the graph.

3b
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2 marks

Use the graph to work out the solutions of   x squared minus 4 x plus 1 equals 5

Give your answers to 1 decimal place.

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4
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3 marks

Here is the graph of y equals x squared minus 6 x plus 5 for values of x between 0 and 6

q17-paper1-nov2021-aqa-gcse-furthermaths

By drawing a suitable linear graph on the grid, work out approximate solutions to

x squared minus 7 x plus 9 equals 0

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5
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2 marks

The graph shown has the equation y equals open parentheses x plus p close parentheses squared plus q

It has a stationary point at space left parenthesis 3 comma space 4 right parenthesis

Graph of a quadratic parabola opening upwards, vertex at point (3, 4), on Cartesian plane with labelled axes x and y.

Work out the values of p and q.

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6
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3 marks

The curve y equals 2 x cubed – 3 x squared – 12 x plus 6

      has a maximum point at L space left parenthesis – 1 comma space 13 right parenthesis

      has a minimum point at M space left parenthesis 2 comma space – 14 right parenthesis

      intersects the y-axis at N.

The curve crosses the x-axis at three distinct points.

On the axes below, sketch the curve.

Label the points L comma space M and Non your sketch.

q8-paper1-spec2018-aqa-gcse-furthermaths

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1
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4 marks

Here is a sketch of the curve  y equals a b to the power of negative x end exponent where a and b are positive constants.

left parenthesis 0 comma space 3 right parenthesis and left parenthesis 2 comma space 0.48 right parenthesis lie on the curve.

q15-paper2-spec2020-aqa-gcse-furthermaths

Work out the values of a and b.

a space equals ...............................    

b space equals ...............................

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2a
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2 marks

Here is a sketch of the curve y equals left parenthesis 2 x plus 3 right parenthesis left parenthesis x – 2 right parenthesis

The curve intersects the x-axis at A and B.

qp6-2019-paper-2-aqa-gcse-further-maths

Complete the coordinates of A and B.

A space left parenthesis...... space comma space 0 space right parenthesis space space space space B space left parenthesis....... space comma space 0 space right parenthesis

2b
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1 mark

Write down the range of values for x for which   left parenthesis 2 x plus 3 right parenthesis left parenthesis x – 2 right parenthesis less than 0

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3
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4 marks

Here is the graph of  y equals 3 x minus x squared for values of x from negative 1 to 4

qp15-2018-paper-1-aqa-gcse-further-maths

By drawing a suitable linear graph on the grid, work out approximate solutions to

x squared minus 4 x plus 2 equals 0

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4
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4 marks

Here is a sketch of  y equals a plus b x minus 2 x squared  where a and b are constants.

The graph intersects the x-axis at open parentheses negative 1 comma space 0 close parentheses and open parentheses 7 over 2 comma space 0 close parentheses and the y-axis at point P.

qp13-2016-paper-2-aqa-gcse-further-maths

Work out the coordinates of point P.

You must show your working.

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5
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5 marks

The graph of y equals open parentheses x minus p close parentheses open parentheses x minus 5 p close parentheses is shown, where p greater than 0.

Graph showing a quadratic parabola opening upwards with its vertex in the bottom right quadrant on a Cartesian plane featuring x and y axes.

The line y equals negative 1 intersects the graph exactly once.

Find the value of p.

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1
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4 marks

y equals straight f left parenthesis x right parenthesis is a cubic curve with a maximum and a minimum stationary point.

fraction numerator straight d y over denominator straight d x end fraction equals x squared plus 2 x minus 3

The y-coordinate of the minimum point is  2 1 third.

The y-coordinate of the maximum point is  13.

left parenthesis 0 comma space 4 right parenthesis is a point on the curve.

The tangent at left parenthesis 0 comma space 4 right parenthesis has a negative gradient.

Sketch the curve on the grid below and show the coordinates of the stationary points.

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2
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3 marks

The continuous curve y equalsg(x)  has exactly two stationary points.

The stationary points are

  • a maximum point at P open parentheses 3 a comma space b close parentheses where a greater than 0 and b less than 0

  •  a minimum point at Q open parentheses negative a comma space 3 b close parentheses

On the axes below, sketch the curve.

Label points P and Q on your sketch.

qp19-2016-paper-2-aqa-gcse-further-maths

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3
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5 marks

The graph of y equals a b to the power of x is shown, where a and b are positive constants.

Graph of a curve plotted on and x, y coordinate grid. The curve passes through the y axis at the point 1/4 and bends upward sharply. It also passes through the point (2/3, 1).

The graph has a y-intercept of 1 fourth and passes through the point open parentheses 2 over 3 comma space 1 close parentheses

By finding the values of a and b, work out the equation of the graph.

Give your answer in the form y equals c to the power of p x plus q end exponent where p and q are integers and where c is the smallest positive integer possible.

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