Algebra semester exam review

Which equation has the same rate of change as the table below?

• y = 1 + 2x
• y = 2 + 1/2x
• y = 2 - 1/2x
• y = 1 - 2x

Tags

CCSS.HSF-LE.A.1B

Simplify the expression: −7n − 2(10n − 4)

• 27 − 6n

• −27n + 8

• 27 − 10n

• −25 − 40n

Tags

CCSS.6.EE.A.3

Solve: 5p − 7 + 6p = −18

• 16

• all real numbers

• 10

• −1

Tags

CCSS.8.EE.C.7B

Solve: −r + 5(r − 3) = 4r − 23

• all real numbers

• −3

• no solution

• 13

Tags

CCSS.8.EE.C.7A

Solve: |9 − 9n| = 27

• 10 and −12

• no solution

• −1 and 3

• −2 and 4

Solve: |n − 3| = −3

• 0 and 6

• no solution

• 0 and −6

• −6

Which inequality represents the following graph:

• x > −2

• x ≥ −2

• x < −2

• x ≤ −2

Graph the solutions to: a + 3 < −4 or 10 + a ≥ 7

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Identify the domain: {(1, 2), (3, 4), (5, 6), (7, 8)}

• {1, 2, 3, 4, 5, 6, 7, 8}

• {1, 3, 5, 7}

• {2, 4, 6, 8}

• {all real numbers}

Which of the following graphs represent functions?

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