8.PFA.3

What is the slope of the linear function y = -5x + 1?

• -5

• 5

• 1

• -1

Tags

CCSS.8.EE.B.5

If a linear function has a slope of 0.5 and a y-intercept of -1, what is the equation of the function?

• y = 0.5x + 1

• y = -0.5x + 1

• y = -0.5x - 1

• y = 0.5x - 1

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

How does the y-intercept affect the graph of a linear function?

• Determines the x-intercept

• Determines the steepness of the line

• Determines where the line crosses the y-axis

• Determines the rate of change

What is the slope of a vertical line?

• 1

• -1

• Undefined

• 0

Tags

CCSS.8.EE.B.5

If a linear function has a slope of 3 and passes through the point (0, -2), what is the equation of the function?

• y = -3x + 2

• y = 3x - 2

• y = -3x - 2

• y = 3x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the y-intercept of the linear function y = 4x - 2?

• 2

• -4

• 4

• -2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the first step in graphing a linear function?

• Identify the x-intercept

• Draw a straight line

• Plot the y-intercept

• Find the slope

What is the effect of changing the slope of a linear function?

• Changes the steepness of the line

• Moves the line left or right

• Moves the line up or down

• Changes the y-intercept

What is the y-intercept of the linear function y = -2x + 4?

• -2

• 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

How does adding a constant (b) to the equation of a proportional relationship y = mx affect the line on a graph?

• Rotate the line

• Reflect the line

• Translate the line

• Stretch the line