Straight line graphs - Edexcel test questions - Edexcel - GCSE Maths Revision

1

What are the coordinates of the point labelled x on the graph?

(-2,-4)

(4,-2)

(-2,4)

2

What is the equation of this graph?

y = -1

x = -1

y = -1x

3

Which of these equations does not produce a straight line graph?

y = -2x + 3

y ‒ 4 = 3(x + 1)

y = x²

4

How do you work out the gradient of a line?

\[\frac{change~up}{change~right}\]

\[\frac{change~right}{change~up}\]

\[\frac{y-coordinate}{x-coordinate}\]

5

What is the gradient of this line?

A straight line graph that plots the equation y = minus 3 over 2x + 2. The gradient of the red line is shown as minus 2 and 5 on the y axis and 4 and minus 4 on the x axis.

\[- \frac{3}{2}\]

\[\frac{3}{2}\]

\[- \frac{2}{3}\]

6

What does c represent in the equation y = mx + c?

the gradient

the y-intercept

the x-intercept

7

What is the equation of the graph?

y = 1.5x - 3

y = -3x + 2

y = 2x - 3

8

Which equation gives a line that is parallel to y = -x + 2?

y = x + 2

y = 3 – x

y = -2x + 4

9

What is the equation of the line through the points (-2, -7) and (3, 18)?

y = x − 5

y = 5x

y = 5x + 3

10

Which graph is perpendicular to the graph y = 2x?

\[y = - {\frac{1}{2}}x\]

\[y = \frac{1}{2}x\]

y = 2x + 1