Slope Intercept Equation

Which letter represents the slope in the slope-intercept form of an equation?

• b

• x

• y

• m

Which equation has a positive slope and a positive y-intercept?

• y = x + 4

• y = 6x - 2

• y = 3/2x - 3/8

• y = - x + 24

Which equation represents the table?

• y = - 2x - 4

• y = 2x - 2

• y = 2x

• y = -2x - 2

What is the equation of a line that passes through the ordered pairs (1, 8) and (3, 12)?

• y = 2x + 6

• y = 1/2x + 6

• y = 2x

• y = 2x + 4

write down the equation of the line if gradient = 3/4 y-intercept = -1/2

write down the equation of the line if gradient = 2 y-intercept = -5

A swimming pool had a leak. After 2 hours it had 800 gallons in it and then after 6 hours it had gone down to 600 gallons. Which equation represents this situation?

• y = - 50x + 900

• y = - 200x + 900

• y = 200x

• y = 4x

What is the y-intercept of the graph?

• 2

• 2.5

• 7

• 5

What is the y-intercept of the line?

• 2

• -1

• 8

• -4

Which letter represents the y-intercept in the slope-intercept form of an equation?

• b

• m

• x

• y