What are the coordinates of the point labelled x on the graph?
(-2,-4)
(4,-2)
(-2,4)
What is the equation of this graph?
y = -1
x = -1
y = -1x
Which of these equations does not produce a straight line graph?
y = -2x + 3
y ‒ 4 = 3(x + 1)
y = x2
How do you work out the gradient of a line?
\[\frac{change~up}{change~right}\]
\[\frac{change~right}{change~up}\]
\[\frac{y-coordinate}{x-coordinate}\]
What is the gradient of this line?
\[- \frac{3}{2}\]
\[\frac{3}{2}\]
\[- \frac{2}{3}\]
What does c represent in the equation y = mx + c?
the gradient
the y-intercept
the x-intercept
What is the equation of the line?
y = 1.5x - 3
y = -3x + 2
y = 2x - 3
Which equation gives a line that is parallel to y = -x + 2?
y = x + 2
y = 3 – x
y = -2x + 4
What is the equation of the line through the points (-2, -7) and (3, 18)?
y = x − 5
y = 5x
y = 5x + 3
Which line is perpendicular to the graph y = 2x?
\[y = - {\frac{1}{2}}x\]
\[y = \frac{1}{2}x\]
y = 2x + 1