Open Up - Grade 8 - Mathematics - Unit 4 - Lesson 5

By Formative Library
Last updated almost 3 years ago
9 Questions
1.

Solve each of these equations.

2(x+5)=3x+1

8.EE.7.a
8.EE.7.b
2.

Solve each of these equations.

3y-4=6-2y

8.EE.7.a
8.EE.7.b
3.

Solve each of these equations.

3(n+2)=9(6-n)

8.EE.7.a
8.EE.7.b
4.

Clare was solving an equation, but when she checked her answer she saw her solution was incorrect. She knows she made a mistake, but she can’t find it.
Where is Clare's mistake and what is the solution to the equation?

8.EE.7.a
8.EE.7.b
5.

Solve each equation, and check your solution.

\frac{1}{9}(2m-16)=\frac{1}{3}(2m+4)

8.EE.7.a
8.EE.7.b
6.

Solve each equation, and check your solution.

-4(r+2)=4(2-2r)

8.EE.7.a
8.EE.7.b
7.

Solve each equation, and check your solution.

12(5+2y)=4y-(6-9y)

8.EE.7.a
8.EE.7.b
8.

Here is the graph of a linear equation.
Select all true statements about the line and its equation.

8.EE.7.a
8.EE.7.b
9.

A participant in a 21-mile walkathon walks at a steady rate of 3 miles per hour. He thinks, “The relationship between the number of miles left to walk and the number of hours I already walked can be represented by a line with slope .” 

Do you agree with his claim?

8.EE.7.a
8.EE.7.b
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