Unit 7 Exam Review - Math 7

Ms. Jacobs is a photographer. For each job she charges $135 for the first hour she works and $100 for each additional hour. Ms. Jacobs wants to make at least $535 for a job on Friday. Which equation can be used to determine h, the minimum number of hours she needs to work?

• 135 + 100h ≤ 535

• 135 + h + 100 ≥ 535

• 135 + 100h ≥ 535

• 135h > 535 + 100

Lawrence's father gave him 200 baseball cards. Each week, Lawrence purchases 25 baseball cards to add to his collection.

Which inequality can be used to find w, the number of weeks after starting his collection when Lawrence will have more than 750 baseball cards in his collection?

• 200w + 25 < 750

• 25w + 200 < 750

• 200w + 25 > 750

• 25w + 200 > 750

Tags

CCSS.7.EE.B.4B

Which number line represents the solution to the inequality -7x - 13 ≥ 8?

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Tags

CCSS.7.EE.B.4B

Which number line represents the solution set to the inequality -1.25x - 3 ½ < -3?

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Tags

CCSS.7.EE.B.4B

Which situation can be represented by the inequality
15 + 6x ≤ 100?

• Lazer Zone charges $15 plus $6 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?
• Lazer Zone charges $6 plus $15 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?
• Lazer Zone charges $15 plus $6 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?
• Lazer Zone charges $6 plus $15 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?

Tags

CCSS.7.EE.B.4B

Which situation is best represented by the following equation?

45w + 123.95 = 753.95

• Erica paid $753.95 for dance classes. She paid $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?

• Erica paid $753.95 for dance classes. She paid $123.95 for each week she was enrolled in the classes after using a coupon that gave her $45 off the price per week. What is w, the number of weeks Erica was enrolled in dance classes?

Tags

CCSS.7.EE.B.4A

If x = 10, which equation is true?

• 3 (15-x) = 12

• 3 (12-x) = 6

• 2 (x-3) = 18

• 2x - 3 = 23

Tags

CCSS.6.EE.B.5

Which equation is true when the value of x is -12?

• .5x + 22 = 20

• 15 - .5x = 21

• 11 - 2x = 17

• 3x - 19 = -17

Tags

CCSS.6.EE.B.5

What is the value of the expression -6x + 2 when x = -3

Tags

CCSS.6.EE.A.2C

• -32, -30, and -28

• -25, 0, and 28

• -32 and - 30

• -28, -25, 0, and 28