Solving Equations and Inequalities in One Variable

For which inequality is x ≥ 4 a solution?

• x + 3 ≥ 1

• x − 3 ≥ 1

• 3x ≥ 1

Tags

CCSS.6.EE.B.5

Solve. (hint: need to get rid of the 3 first)

• x > 19

• x ≥ 11

• x < 11

• x ≤ 19

Tags

CCSS.7.EE.B.4B

Which of the following are basic rules used for solving algebraic equations?

• Whatever you do to one side of the equal sign, you must copy and do on the other side of the equal sign.

• Negative signs can be ignored.

• Always do the opposite operation.

• Always start on the left side, regardless of where the variable is.

Tags

CCSS.7.EE.B.4A

• Add 10 to both sides of the equation. 

• Add 9 to both sides of the equation. 

• Subtract 3 from both sides of the equation.

• Subtract 9 from both sides of the equation.

Tags

CCSS.7.EE.B.4A

Solve:  6z + 3 -4z = 9

• z = 3

• z = 60

• z = 30

• z = 1

Tags

CCSS.8.EE.C.7B

Solve:
2(2x + 3) = -6(x + 9)

• 2

• 6

• -6

• 7.5

Pick the correct inequality.

• A

• B

• C

• D

Tags

CCSS.6.EE.B.8

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

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

Which equation has x=9 as a solution

• 4 + x = 12

• 5x = 45

• 2x = 20

• x + 7 = 26

Tags

CCSS.6.EE.B.5

-11-5a = 6(5a + 4)

• -1

• -2

• -3

• -4