Algebraic Expressions in Context

Which equation could represent the total weight, in pounds, for n loads of crushed stone?

• W = 6,000 - 2,000n

• W = 6,000

• W = 2,000n

• W = n + 2,000

Which equation represents the amount, A, each member receives?

• A = 2,000

• A = 2,000m

• A = 2,000 - m

• A = 2,000 / m

Complete the missing values in the table.

• 36 teaspoons, 12 tablespoons, 48 cups

• 48 teaspoons, 12 tablespoons, 36 cups

• 48 teaspoons, 16 tablespoons, 36 cups

• 36 teaspoons, 12 tablespoons, 0.75 cups

What is the relationship between number of bushels, b, and the number of quarts, q?

• b = 16q

• b = 8q

• q = 32b

• q = 4b

How many "steps" must we take to get from the first term, 4, to the last term, 18?

• 3 steps

• 5 steps

• 7 steps

• 9 steps

Expand the product 2(x + 7).

• 2x + 14

• 2x + 7

• 2x² + 14

• 2x² + 7

Simplify the expression 2(x² + 3) + 3(x² − 9) by first expanding both products, then combining like terms.

• 5x² - 15

• 5x² + 15

• 5x² + 6

• 5x² - 21

How much taller is Manute Bol than Earl Boykins?

• 2 feet, 4 inches

• 2 feet, 8 inches

• 2 feet, 10 inches

• 2 feet, 11 inches

Simplify the expression (x+3) − (3x + 9).

• -2x - 6

• -2x + 6

• 2x - 6

• 2x + 6

Simplify the expression (†² — 5t + 4) − (t² − 7).

• t² - 5t

• - 5t +11

• t² + 11

• - 5t - 11