Module 7 Review

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• hope you get the right answer.

Tags

CCSS.7.EE.B.4A

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

Tags

CCSS.7.EE.B.4A

 $8x-30-5x=33$  

•  $x=1$  

•  $x\ =\frac{63}{13}$  

•  $x=21$  

•  $x=\frac{13}{63}$  

Tags

CCSS.8.EE.C.7B

What is the first step to solving  $4x+5\left(7x-3\right)=9\left(x-5\right)$  ?

• Get rid of the variable terms

• Combine Like Terms

• Multiply by 45 to get rid of 5 and 9

• Distributive Property

Tags

CCSS.8.EE.C.7B

 $12\left(3+x\right)=6\left(2x+8\right)$  

•  $x=48$  

•  $x=36$  

• No solution

• Infinite Solutions

 $2x-4=10+2\left(x-7\right)$  

•  $x=-2$  

• Infinite Solutions

•  $x=4$  

• No solution

Tags

CCSS.8.EE.C.7A

How many solutions does  $-94-8x=26-2x$  have?

• no solution

• one solution

• infinite solutions

• I have no clue

Tags

CCSS.8.EE.C.7A

The only number that has the same number of letters as its meaning

• 4

• 2

• 5

• 0

Tags

CCSS.2.MD.B.6

What is the fourth planet from the sun?

• Mars

• Jupiter

• Venus

• Mercury