Unit 3:One Step Equations

If x = -10, which inequality is true?

• 2 – 2x > -23

• -7 – 2x < -35

• -8 + 3x > -30

• 12 – x < -3

Tags

CCSS.6.EE.B.5

The model below represents the equation -12 = 3x – 3 Which value of x makes the equation true?

Tags

CCSS.6.EE.B.5

Gabe has $100. He plans to buy a jersey for $55. He will spend the rest of his money on T-shirts, which cost $15 each. Which inequality could Gabe use to find s, the number of T-shirts he can buy?

• 55 + 15s ≥ 100

• 15 + 55s ≥ 100

• 55 + 15s ≤ 100

• 15 + 55s ≤ 100

Tags

CCSS.7.EE.B.4B

If x = 8, which equation is true?

• 7(10 – x) = 15

• 6(11– x) = 19

• 12(x – 8) = -1

• 4x – 4 = 28

Tags

CCSS.6.EE.B.5

What is the value of x in this equation?
-7x + 9 = 58

Tags

CCSS.7.EE.B.4A

The model represents an equation. What value of x makes the equation true? Note: show your work on paper (if you try to do this without paper and pencil you are more likely to make a mistake)

• x > -2

• x > -1

• x > 1

• x > 6

What is the solution to this equation?

78.98= 23.78 + 5x

Note: you will need to use paper and pencil. This problem involves subtraction and division.

Tags

CCSS.7.EE.B.4A

Which situation is best represented by the following equation? 45w + 123.95 = 753.95

• Erica paid $753.95 for dance classes. She paid a $123.95 registration fee and $45 for each week she was enrolled in the classes. What is w, the number of weeks Erica was enrolled in dance classes?

• Erica paid $753.95 for dance classes. She paid a $45 registration fee and $123.95 for each week she was enrolled in the classes. What is w, the number of weeks Erica was enrolled in dance classes?

• Erica and her sister paid $753.95 for dance classes. Erica paid $123.95 for each week she was enrolled in the classes, and her sister paid $45 for each week she was enrolled in the classes. What is w, the number of weeks Erica and her sister were enrolled in dance classes?

• Tyree rented a bike for a $4 fee, plus $9 per hour. Tyree spent exactly $31. Which equation can be used to determine the total number of hours, h, that Tyree rented the bike?

Tags

CCSS.HSA.CED.A.3

Which number line best represents the solution to the inequality 4x – 2 ≥ 2?

• 
• 
• 
• 

Tags

CCSS.7.EE.B.4B