Pre-Snapshot Quiz 12

• 3(-6) = - 18

• 6 x 3 = 18

• 3 x 3 = 9

• -3 x 2 = -6

• 2 x 6 = 12

• 3 x 4 = 12

• 4 x 4 = 16

• 12 x 1 = 12

Keisha lost $98 over 14 months. She lost the same amount of money each month. Which integer represents the change in the amount of money lost each month?

• $84

• -$7

• $7

• -$42

Calculate the value of the expression -3 x -9 x 10.

• -27

• 27

• -270

• 270

• -3 x 3 = -9

• -5 x -3 = -15

• 5 + 3 = 15

• 5 x 3 = 15

A large cheese pizza costs $8. Which equation represents the price, c, for p large pizzas?

• c = p + 8

• c = 8 - p

• c = p / 8

• c = 8p

Which situation can be represented by the equation y = 40x?

• The clothing company sold jeans for x dollars per pair. This is 40 times y, the number of shirts.

• A pair of jeans at the clothing company costs x dollars. The amount is 40 times y, the number of pairs of jeans that are purchased.

• A pair of jeans at the clothing company costs x dollars plus 40. The amount y is the total number of pairs of jeans that are sold at the clothing company.

• Buying jeans at the clothing company costs y dollars. The amount is 40 times x, the number of pairs of jeans that are purchased.

Mathematical Equivalence

OFF

Mathematical Equivalence

ON