Compacted 7 Mid- Topic Assessment 2 Study Guide

How can you tell when an equation with one variable has infinitely many solutions?

• The variable has one solution
• The equation will equal out on both sides 
• The equation will not equal out on both sides of the equal sign

How can you tell when an equation with one variable has no solution?

• The variable equals one solution
• The equation equals out on both sides
• The equation does not equal each other on both sides

Tags

CCSS.8.EE.C.7A

⅗e + ⅙e = -46

• -60
• 60
• 35.26
• -126.5

Tags

CCSS.8.EE.C.7B

Jaclyn has $375 saved and earns $35 each month in allowance. Pedro has $535 saved and earns $15 a month in allowance. If they both save their entire allowances, how long will it take before Jaclyn and Pedro have saved the same amount of money?

• 3.5 months
• 12 months
• 8 months
• 16 months

Tags

CCSS.8.EE.C.8C

Which equation has infinitely many solutions?

• 12 + 4x = 6x + 10 - 2x
• 5x + 14 - 4x = 23 + x - 9
• x + 9 - 0.8x = 5.2x + 17 - 8
• 4x - 2x = 20

Tags

CCSS.8.EE.C.7A

Solve the equation
-12d + 8(2+ 3d) = 20 - 2d -32

• d = 2
• d = -2
• d = ^-2/₇
• d = ²/₇

Tags

CCSS.8.EE.C.7B

Hilda adds 8 to a number, then multiplies the sum by 4. The result is -148. Write an equation to find the number, x. What is the number?

• x = 29
• x = - 29
• x = 45
• x = -45

Tags

CCSS.HSA.CED.A.3

3(4x + 5) = 2(4x + 10) + 2x
has...

• Infinite many solutions
• No Solutions
• One Solution

Tags

CCSS.8.EE.C.7A

12(3x + 2) – 3 = 39x - 3(x - 7)

• Infinite many solutions
• No Solution
• One Solution

Tags

CCSS.8.EE.C.7A

¹/₂(22x + 13) – 42 = 2x + 10 + 9x

• Infinite many solutions
• No solutions
• One solution

Tags

CCSS.8.EE.C.7A