Solving Two Variable Equations and Inequalities

The objective when solving an equation is to....

• isolate the variable.

• guess and check.

• check the solution.

• combine like terms.

Solve.

• x ≤ 12

• x ≥ 14

• x ≥ 12

• x ≥ 23

Solve the inequality.

-10x + 5 ≥ 195

• x ≤ -19

• x < -19

• x ≥ -19

• x > -19

What is the first step in solving the following problem?

2x+10=22

• Multiply by 10

• Subtract 10 from each side

• Divide by 2

• Add 10 to each side

The ordered pair (a)   is in the solution set of 8x+16y>32.

• (-3, 5)

• (0, 2)

• (-1, 1)

• (4, 0)

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

• ≤, ≥ 

• <, >

At most and No more than are both clue words for...

• <

• >

• ≤

• ≥

Pick the correct inequality.

• A

• B

• C

• D

Which property was used to get from Step (2) to Step (3)?

• Distributive Property

• Division Property of Equality

• Subtraction Property of Equality

• Substitution Property

Solve the following equation
2y = 18

• 36

• 16

• 9

• 20