Solving Equations and Inequalities

Solve for x

4x + 2(x - 6) = 12

type your answer as

x=____

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

solve 5(6 + 3x) + 7 ≥ 127

Mathematical Equivalence

ON

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

Find the error in the problem below

19 - 2k = 3k - 1

+3k +3k

19 + 1k = -1

-19 -19

k = -20

• They should have divided by 1 for the last step

• They should add 19 instead of subtracting 19

• I can not find an error

• Instead of adding 3k they should subtract 3k

Tags

CCSS.HSA.REI.A.1

 Solve the equation for x.
-8x - 8 + 3x - 6 = -3x + 2

type your answer as

x=____

Mathematical Equivalence

ON

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve the following inequality:
-4x + 14 ≤ 54

(include the inequality symbol in your answer)

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4B

3x - 8 < 3(x - 4) + 1

• x < -11

• no solution

• infinite solutions

• x > -8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Which equation is true when the value of x is −12?

• ½x +22 = 20

• 15 − ½x = 21

• 11 − 2x = 17

• 3x − 19 = −17

Tags

CCSS.6.EE.B.5

Jeff bought a bottle of water for $2. He also bought some hot dogs for $3 each. Jeff did not spend more than $14 on the hot dogs and the bottle of water. Which inequality can be used to find h, the number of hot dogs that Jeff could have bought?

• 3h − 2 ≤ 14

• 3h + 2 ≤ 14

• 3h − 2 ≥ 14

• 3h + 2 ≥ 14

Tags

CCSS.7.EE.B.4B

Which number line represent the solution to the inequality −7x −13 ≥ 8?

• Line A

• Line B

• Line C

• Line D

Tags

CCSS.7.EE.B.4B

The solution to the inequality 5x − 4 > 21 is represented by which number line?

• 
• 
• 
• 

Tags

CCSS.7.EE.B.4B