Linear Graphs

What does the “m” stand for in y = mx + c?

• gradient

• x-intercept

• y-intercept

• none of these answers

What does the “c” stand for in y=mx + c?

• gradient

• x-intercept

• y-intercept

• none of these answers

What is the gradient of the line that passes through the points (4, 2) and (0, 4)?

• 2

• -1

• -2

• -0.5

The straight line AB cuts the y-axis at...

• (0,3)

• (0,2)

• (3,-2)

• (0, -2)

The gradient of AB in the graph above is

• $\frac{1}{2}$

• 2

• -2

• $-\frac{1}{2}$

The equation of the line which passes through the point (0,2) and has a gradient of  $\frac{1}{3}$  is

• y = 3x

• y = 3x + 2

• y =  $\frac{1}{3}x$  

•  $y\ =\ \frac{1}{3}x\ +\ 2$  

Which of the following points lies on the line  $y=\ 2x\ -\ 3$  

• (2, 3) 

• (4, 1)

• (0, -3)

• (-2,-1) 

Which of the following represents the equation of the straight line?

• $xy\ =\ 4$

• $y\ +\ 3\ =\ 2x$

• $y\ +\ 4\ =\ x^2$

• $y\ =\ x^{2\ }+\ 2x\ -\ 5$

What is the gradient of the straight line  $2y\ =\ -3x\ -\ 8$  

• 2

• 3

•  $-\frac{3}{2}$  

• -3

Calculate the midpoint of the line segment AB given that

A(0, 5) and B(4, 9)

• (2, 7)

• (4, 14)

• (2.5, 6.5)

• (-2, -2)