Slope-Intercept M and B

This table lists several points that lie on the same line. What is the slope (m)?

• 1/2

• -1/2

• 4

• -1/4

What is the y-intercept?

• -1/3

• -3

• -4

• 5

What is the y-intercept?

• 0

• 3

• 3/4

• 4/3

What is the slope of the line graphed?

• m = -2

• m = -1/2

• m = 1/2

• m = 2

Answer explanation

Use rise & run to calculate the slope.

What are the slope and y-intercept of the line whose equation is y = 2x - 7?

• slope = -2; y-intercept = -7

• slope = -2; y-intercept = 7

• slope = 2; y-intercept = -7

• slope = 2; y-intercept = 7

What is the slope of the line whose equation is y = 3x - 8?

• -8

• -3

• 3

• 8

Answer explanation

m is the slope in the equation y = mx + b.

What is the slope of the line whose equation is y = 2/3x + 4?

• 2/3

• 2

• 3

• 4

Answer explanation

m is the slope in the equation y = mx + b.

What is the slope of the line whose equation is y = -3/4x + 10?

• -4/3

• -3/4

• -10

• 10

Answer explanation

m is the slope in the equation y = mx + b.

What is the y-intercept of the line whose equation is y = -3/4x + 10?

• -4/3

• -3/4

• -10

• 10

Answer explanation

b is the y-intercept in the equation y = mx + b.

What are the slope and y-intercept of the line whose equation is y = 5/2x + 3?

• slope = -5/2; y-intercept = -3

• slope = -5/2; y-intercept = 3

• slope = 5/2; y-intercept = -3

• slope = 5/2; y-intercept = 3