Functions TEST REVIEW

Is the relation a function? Why or why not?

• Yes, because it passes the vertical line test.
• No, because an input has more than one output.
• Yes, because each input has only one output.
• No, because numbers are repeating in the data.

Is the relation a function? Why or why not?

• Yes, because it passes the vertical line test.
• No, because an input has more than one output.
• Yes, because each input has only one output.
• No, because numbers are repeating in the data.

Tags

CCSS.8.F.A.1

Identify the domain of the data.

• {1, 4, 9, 16, 25}
• {1, 2, 3, 4, 5}
• {2, 3, 4, 5}
• {1, 9, 16, 25}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Identify the range of the data.

• {1, 4, 9, 16, 25}
• {1, 2, 3, 4, 5}
• {2, 3, 4, 5}
• {1, 9, 16, 25}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Determine if a proportional relationship exists.

• Yes, because simplified ratios are equal.
• No, because simplified ratios are not equal.
• Yes, because the graph passes through the origin.
• No, because the graph does not pass through the origin.

Determine the rate of change of the data.

• 15 lbs per 1 bag
• 30 lbs per 1 bag
• 60 lbs per 1 bag

Determine the rate of change of the data.

• 4 calories per 1 minute
• 3 calories per 1 minute
• 30 calories per 1 minute

Determine the slope using ordered pairs:
A (-4, 6) B (-4, 10)

• -2/1
• 0
• Undefined
• 4/1

Tags

CCSS.8.EE.B.5

Determine the slope using ordered pairs:
A (12, 2) B (4, 0)

• 1/4
• 0
• Undefined
• -4/1

Find the slope (hint- use rise over run)

• 4/5

• 5/4

• -5/4

• -4/5