Unit 6 Review

What is the correct way to write this inequality?

• $x\le1$

• $x<1$

• $x\ge1$

• $x>1$

Which of the following numbers make this inequality true? (Check all that apply)
2x+3>15

• 6

• 9

• 5

• 8

• 7

What single value of x makes the equation true?

 $3x+1=22$  

• 7

• 6
  

• 8

• 5
  

When solving an equation, whatever you do to one side....

• happens

• you have to do to the other

• you do the opposite on the other side

• is mean

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Solve   -3x + 5 = -16

• 9
• 8
• -7
• 7

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.

Solve for x.

• x = 21
• x = 7
• x = −21
• x = 4