Unit 1 Practice Test

5x + 3y + 5 + 4x + 3y + y + 8

• 9x + 7y + 13
• 6x + 2y + 2
• 25x + 2y + 3
• x + 7y + 12

Simplify the following expression:
3 + 5x + 8 - 2x

• -3x² - 11
• 3x² + 11
• 11 - 3x
• 11 + 3x

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

7 - 5m - 10m

• 7 + 15m

• 7 + 5m

• 7 - 5m

• 7 - 15m

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

2x + 3 ≤ 15

• x ≤ 6
• x ≥ -6
•  x ≤ 9
• x≤ -9

6(n + 2) < -72

• n < -14
• n < 35/3
• n < -10
• ∞

-4(5x + 3) - 6x > 11 - 3x

• x < -1

• x < -7

• x < 5

• x > 4

• x > 3

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 
• ≤, <
• ≥, >