Unit 1 Test Review (Equations and Inequalities)

-15 = 5a +12- 2a + 6

• -11
• -3
• 10
• 7

Tags

CCSS.8.EE.C.7B

22 + 2a = 37 + 6 + a

• 21
• -21
• 5
• 6

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.A.1

Identify if this equation has one solution, infinitely many solutions or no solution.
-3x+1=x+9-4x

• one solution
• infinitely many
• no solution

Tags

CCSS.8.EE.C.7A

0.75 + 2(a - 0.5) = 3a - 0.4

• 0.15
• 5
• 1.5
• 3.75

Tags

CCSS.8.EE.C.7B

Which step cannot be performed first when solving the equation
5 - 2(x - 7) = x + 1 + 3x

• Distributing -2 to (x - 7)
• Combining x and 3x
• Subtracting 1 from both sides
• 5 - 2

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.REI.A.1

Solve the equation:
½ (2x + 6) = 3x + 13

• no solution
• x = 8
• x = -5
• x = 7

Tags

CCSS.8.EE.C.7B

-2 (x+2) < 14

• x < - 5
• x > -5
• x < -9
• x > -9

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Solve:
11x + 16 < 43 + 2x

• x < 5
• x < 3
• x > 5
• x > 3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Which of the following would NOT complete the following inequality?

4x - 12 < 20
 

• 4
• -2
• 7
• 8

Tags

CCSS.6.EE.B.5

It costs Amy $0.20 to send a text message.  She has already spent $5 in text messages this month.  If she has a total of $12 that can spend this month on text messages, write and solve an inequality that will give the greatest number of text messages that she can send.

• 0.20x + 5 = 12;
  85 text messages
• 0.20(5x) = 12; 
  12 text messages
• 0.20x + 5 ≤ 12;
  x ≤ 35 
• 0.20x + 5 ≥ 12;
  x ≥ 35

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.3