y = mx + c

Which is the correct equation of a straight line?

• y = cx + m

• y = mc + x

• y = mx + c

• x = ym + c

What letter to we use for gradient?

• g

• s

• m

• c

What letter do we use for y-intercept?

• y

• m

• c

• x

What is the gradient of the line y = 2x + 6?

• 2

• -2

• 6

• $\frac{1}{2}$

What is the y-intercept of the line y = 3x - 4

• 3

• 4

• -4

• $-\frac{1}{3}$

What is m in the equation y = 2x - 6?

• -2

• 2

• 6

• -6

What is the gradient of the line y = -4x + 1?

• -4

• 4

• -1

• 1

What is the y-intercept of the line y = 5x - 10?

• 10

• 5

• -10

• -5

In the line y = 7x - 2, what is the number 7?

• x-coordinate

• y-coordinate

• gradient

• y-intercept

In the equation of the line y = 4x + 5, what does the 5 represent?

• x-coordinate

• gradient

• y-intercept

• slope