Solving Equations and Inequalities MidTerm Review

Solve for h

V = πr²h for h

• V/(πr²) = h

• V - πr² = h

• V + πr² = h

• V/π = h

Tags

CCSS.HSA.CED.A.4

Step 2 is what

• Substitution property (simplify)
• Multiplication property of equality
• Division property of equality
• Distributive Property

Tags

CCSS.HSA.REI.A.1

Solve for a:

-3a + 8 = 14

• a = -2

• a = -7.5

• a = 2

• a = 6

Tags

CCSS.7.EE.B.4A

Solve for k:

38 + 7k = 8(k + 4)

• k = 6

• k = 8

• k = -6

• k = 1

Solve the proportion.

• q=2

• q=9

• q=9/2

• q=2/9

Tags

CCSS.7.RP.A.2B

Pick the correct inequality.

• A
• B
• C
• D

Tags

CCSS.6.EE.B.8

A chef has 7 pounds of potatoes.  She needs more than 14 pounds for dinner.  What inequality describes the amount of potatoes the chef needs to buy?

• x - 7 > 14
• x + 7 > 14
• x - 7 < 14
• x + 7 < 14

Solve for r.

• A
• B
• C
• D

Tags

CCSS.HSA.CED.A.4

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 following inequality:
-4x + 14 ≤ 54

• x ≥ -10
• x ≤ -10
• x ≥ 17
• x ≤ 17

Tags

CCSS.7.EE.B.4B