What is the solution to the equation below? 3 + 2.7 x = 9.6 + 3.2 x 3+2.7x=9.6+3.2x 3 + 2 . 7 x = 9 . 6 + 3 . 2 x

x = − 13.2 x=-13.2 x = − 1 3 . 2

x = − 25.2 x=-25.2 x = − 2 5 . 2

Carla and Rob left a 20% tip after having lunch at a restaurant. The amount of the tip was $6. Carla’s lunch cost $15. Which equation can you use to find x , the cost of Rob’s lunch?

0.2 ( x + 15 ) = 6 0.2\left(x+15\right)=6 0 . 2 ( x + 1 5 ) = 6

0.2 x + 15 = 6 0.2x+15=6 0 . 2 x + 1 5 = 6

2 ( x + 15 ) = 6 2\left(x+15\right)=6 2 ( x + 1 5 ) = 6

0.2 x = 15 + 6 0.2x\ =15+6 0 . 2 x = 1 5 + 6

Which of the following equations has no solution?

2 ( 6 + x ) = 14 + 2 x 2\left(6+x\right)=14+2x 2 ( 6 + x ) = 1 4 + 2 x

5 x − 10 = x + 20 5x-10=x+20 5 x − 1 0 = x + 2 0

2 ( 4 + x ) = 8 + 2 x 2\left(4+x\right)=8+2x 2 ( 4 + x ) = 8 + 2 x

10 x + 5 = 3 ( 5 x + 7 ) 10x+5=3\left(5x+7\right) 1 0 x + 5 = 3 ( 5 x + 7 )

Which of the following is equivalent to 235,000,000,000?

2.35 × 1 0 11 2.35\times10^{11} 2 . 3 5 × 1 0 1 1

2.35 × 1 0 − 9 2.35\times10^{-9} 2 . 3 5 × 1 0 − 9

2.35 × 1 0 − 10 2.35\times10^{-10} 2 . 3 5 × 1 0 − 1 0

2.35 × 1 0 12 2.35\times10^{12} 2 . 3 5 × 1 0 1 2

What did one math book say to the other?

Don't bother me, I've got my own problems!

If you are cold how can you warm up?

Sit in the corner its 90 degrees!

Why do people not like algebra?

It should solve its own problems

Module 7 Solving Linear Equations

Quiz

•

Mathematics

•

8th - 9th Grade

•

Practice Problem

•

Hard

•

CCSS

8.EE.C.7A, 6.EE.B.7, 8.EE.C.8B

+6

Standards-aligned

Angela Reese

Used 3+ times

FREE Resource

Student preview

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve for the variable. 3x=-27

x=9

x=-30

x=-9

x=-24

Tags

CCSS.6.EE.B.7

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

solve:
x+3=-x-5

x=4

x=-4

x=1

no solution

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

solve:
2+6x=x-1

x=12

x=-3/5

x=1/7

x=-7

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What would you multiply to not have any fractions?
½x+4=⅕x+7

2

5

10

20

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The least common denominator of 8 would be used in what equation?

¼x+2=½x-5

¾x+4=⅛x-8

¾x+5=¼x-1

⅗x-1=⅔x+3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the inverse operation of multiplication?

multiplication

addition

subtraction

division

Tags

CCSS.3.OA.C.7

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What step occurred?
4x+2+3x+10
7x+12

simplify

inverse operations

combine like terms

solving

Tags

CCSS.7.EE.A.1

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Module 7 Solving Linear Equations