Ch. 9 Test Review

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is function represented by the table linear or nonlinear?

• linear
• nonlinear

Tags

CCSS.8.F.A.3

What is the y-intercept in the following equation:  y=-4x-5

• -4
• -4x
• 5
• -5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Determine the slope and y-intercept from the following equation:   y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 
• slope: 3/2   y-intercept:  (0,3) 
• slope:  4  y-intercept:  (0,3/2)
• slope: 1/5   y-intercept:  (0,5) 

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Find the slope from the table.

• -4
• 1
• 4
• -2

Tags

CCSS.8.EE.B.5

What is the slope of the equation?
y = -3x + 4

• -3
• 4
• -4
• 3

Tags

CCSS.8.EE.B.5

Find the slope of the line.

• -5/4
• 5/4
• -4/5
• 4/5

Tags

CCSS.8.EE.B.5

What is the slope of all horizontal lines?

• 0
• undefined
• 1
• -1

Tags

CCSS.8.EE.B.5

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2
• -1/2
• 2
• -2

Tags

CCSS.8.EE.B.5

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3