HGeo A2 Unit 0/1 REVIEW

Solve: |3x + 4| = 10

• x = 2, -14/3

• x = 3, -3

• x = 2, -2

• x = -14/3, -2

Solve: |x - 2| - 6 = -1

• x = 7, -3

• x = 5, -1

• x = 6, -2

• x = 8, -4

Solve: 3|x - 1| + 2 = 20

• x = 7, -5

• x = 5, -3

• x = 6, -4

• x = 4, -2

Solve: |x + 4| = -3

• No solution

• x = -1

• x = 3

• x = -7

Solve: -3 < 2x - 1 < 7

• -1 < x < 4

• 0 < x < 3

• 2 < x < 5

• -1 < x < 2

Solve: 4x + 1 > 13 or 2x - 3 < -7

• x > 3 or x < -2

• x > 4 or x < -5

• x > 2 or x < -1

• x > 3 or x < -4

Solve: |x + 5| < 7

• -12 < x < 2

• -2 < x < 12

• -7 < x < 2

• -12 < x < 0

Solve: |2x + 3| ≥ 9

• x ≤ -6 or x ≥ 3

• x ≤ -4 or x ≥ 2

• x ≤ -3 or x ≥ 4

• x ≥ 6 or x ≤ -3

What is the domain of the relation {(1, -2), (3, 4), (1, 0)}?

• {1, 3}

• {1, 3, 0}

• {-2, 4, 0}

• {1, 0, -2}

Is the relation {(2, 3), (4, 5), (2, 6)} a function?

• No

• Yes

• Sometimes

• Undefined