Solving Equations and Inequalities, Linear Equations Review

What is the first step to solve this equation:

11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Solve

3c + 5 = 23

• 3

• 7

• 6

• 18

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥

• <, >

Solve the inequality.

-5 x - 2 ≤ 8

• x ≥ -2

• x ≤ 2

• x ≤ -2

• x ≥ 2

Match the graph with its inequality.

• 11 < a

• 11 ≥ a

• 11 ≤ a

• 11 > a

x - 3 ≥ 10

• x ≤ 13

• x ≥ 7

• x ≥ 13

• x ≤ 7

What property is this?

9(b + 0.5) = 9b + 4.5

• Inverse

• Associative

• Distributive

• Communitive

2x + 3(5x - 7) = 47

• x = 1

• x = 3

• x = 2

• x = 4

Which are solutions?

20 > -2(n+5)

• n > -15

• n < -7.5

• n < -15

• n > -7.5

The graph of a linear equation is always straight?

• True

• False