Unit 2 Review Quiz - Blendspace

7.10A - John bought a bottle of water for $2. He also bought some hot dogs for $3 each. John did not spend more than $14 on the hot dogs and the bottle of water. Which inequality can be used to find h, the number of hot dogs that John could have bought?

• 3h - 2 ≤ 14

• 3h + 2 ≤ 14

• 3h - 2 ≥ 14

• 3h + 2 ≥ 14

7.10B - Which number line represents the solution to the inequality -7x - 13 ≥ 8?

• 
• 
• 
• 

7.10C - Which situation is best represented by the following equation? 45w + 123.95 = 753.95

• Eric 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?

• 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?

7.11A - An equation is modeled. What value of x makes the equation true?

• 1

• 7

• -5

• -1

7.11B - If x = -6, which inequality is true?

• -5 - 3x > 10

• -3 - 5x < -14

• 1 - 2x > 13

• 2 - x < -3

7.11C - An isosceles triangle has base angles that each measure 42°. Which equation can be used to find z, the measure of the third angle of this isosceles triangle in degrees?

• 84 + 2z = 180

• 84 + z = 180

• 42 + 2z = 180

• 42 + z = 180

7.13D - A monthly budget with expenses is shown. Which equation can be used to determine y, the minimum amount of money a family must earn to meet the requirements of this budget for one year?

• y = 3600 × 12

• y = 3600 ÷ 12

• y = 3600 × 4

• y = 3600 ÷ 52

7.13E - Rita has a loan of $45,580. This loan has a simple interest rate of 4% per year. What is the amount of interest that Rita will be charged on this loan at the end of one year?

• $47,403.20

• $11,395

• $18,232

• $1,823.20

7.13F - Leo wants to buy some shoes. He found the shoes at three different stores for a price of $35. The stores are each having a sale.

• Store X is offering 15% off the price of the shoes.
• Store Y is offering $5 off the price of the shoes.
• Store Z is offering a ⅕ discount off the price of the shoes.

Which statement about the sale price of these shoes is true?

• Store X has the best sale price of $20.

• Store Z has the best sale price of $28.

• Store Y has the best sale price of $30.

• Store Z has the best sale price of $7.

7.11A - The model represents an equation. What value of x makes the equation true?

• 3

• 8

• 6

• 4