Open Up - Grade 8 - Mathematics - Unit 4 - Lesson 5
star
star
star
star
star
Last updated over 1 year ago
9 questions
1
8.EE.7.a
8.EE.7.b
1
8.EE.7.a
8.EE.7.b
1
8.EE.7.a
8.EE.7.b
1
8.EE.7.a
8.EE.7.b
1
8.EE.7.a
8.EE.7.b
1
8.EE.7.a
8.EE.7.b
1
8.EE.7.a
8.EE.7.b
1
8.EE.7.a
8.EE.7.b
1
8.EE.7.a
8.EE.7.b
Question 1
1.
Solve each of these equations.
2(x+5)=3x+1
Question 2
2.
Solve each of these equations.
3y-4=6-2y
Question 3
3.
Solve each of these equations.
3(n+2)=9(6-n)
Question 4
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?
Question 5
5.
Solve each equation, and check your solution.
\frac{1}{9}(2m-16)=\frac{1}{3}(2m+4)
Question 6
6.
Solve each equation, and check your solution.
-4(r+2)=4(2-2r)
Question 7
7.
Solve each equation, and check your solution.
12(5+2y)=4y-(6-9y)
Question 8
8.
Question 9
9.
"Source: Open Up Resouces (Download for free at openupresources.org.)"
Here is the graph of a linear equation.
Select all true statements about the line and its equation.
One solution of the equation is (-1,1).
There are infinitely many solutions.
There are 2 solutions.
The equation of the line is y = \frac{1}{4}x+\frac{5}{4}.
One solution of the equation is (1,\frac{3}{2}).
One solution of the equation is (3,2).
The equation of the line is y = \frac{5}{4}x+\frac{1}{4}.
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 .”