Unit 3 Review

In the equation, y=-2x+8, what is the slope?

• -2

• -4

• 8

Tags

CCSS.8.EE.B.5

The table represents a linear function. What is the slope of the line?

• 0

• 1/2

• 2

Tags

CCSS.8.EE.B.5

Which of the following is true about a function?

• Each input value can have many output values.

• Each input value must have exactly one output value.

• Each output value must have exactly one input value.

Tags

CCSS.8.F.A.1

The initial value is another way to describe the ______________.

• slope

• y-intercept

• non-linear functions

Tags

CCSS.8.EE.B.5

Cassie opened a savings account with $50. She deposits $30 in the account every week. Which equation best represents this situation, given y is the total amount in savings after x weeks?

• y=30x

• y=50x+30

• y=30x+50

Tags

CCSS.HSF-BF.A.1A

What is the initial value of a linear function if it represents a proportional relationship?

• -2

• 0

• it varies

Tags

CCSS.8.EE.B.5

What is the rate of change of the graph shown?

• 5

• 0

• 3

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

If a graph has a positive slope, the function is ______________.

• Increasing

• Decreasing

• Cannot be determined

Tags

CCSS.HSF-LE.A.1B

Which statement best describes the information shown by the graph?

• The temperature increased over a period of time

• The temperature remained constant for a period of time

• The temperature increased for a period of time and then decreased for a period of time

Tags

CCSS.HSF.IF.B.4

Tags

CCSS.8.EE.A.1