9.3-9.4 quiz

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

Tags

CCSS.7.EE.B.4A

10.    x / 2  - 5 = 3

• x = -2
• x = 2
• x = 16
• x = 8

Tags

CCSS.7.EE.B.4A

22+2a=37+6+a

• a = 21
• a = 5
• a = -5
• a = -16

7x - 4 = 3 + 8x

• x = 7
• x = -7
• x = 2/7
• x = 11

5x - 14 = 8x + 4

• x = 6
• x = -6
• x = -18/13
• x = 10/3

Solve the following compound inequality:

−4x + 1 ≤ 21 and 5x + 2 < 22

• x > −5 or x ≤ 4

• x ≥ −5 or x < 4

• x > −5 and x ≤ 4

• x ≥ −5 and x < 4

Solve the following compound inequality:

0 < x + 7 < 9

• −7 < x and x < 2

• −7 < x or x < 2

• −7 > x and x > 2

• −7 > x or x > 2

What inequality is graphed?

• x > 2 and x ≤ −3

• x > 2 and x < −3

• x > 2 or x ≤ −3

• x > 2 or x < −3

-2(x+2) < 14

• x < - 5
• x > -5
• x < -9
• x > -9

Tags

CCSS.7.EE.B.4B

Solve:  -3 ≤ 2x - 1 ≤ 5

• -1 ≤ x ≤ 3
• -1 < x < 3
• 1 < x < 3
• 1 ≤ x ≤ 3