Grade 8 Polynomial Word Problems: Evaluate & Simplify

A gardener has a rectangular garden with a length of (3x + 5) meters and a width of (2x - 1) meters. What is the area of the garden in square meters?

• 6x^2 + 7x - 5

• 4x^2 + 6x - 7

• 5x^2 + 8x - 3

• 7x^2 + 2x - 1

A school is planning a field trip and has collected (4x + 10) dollars from one class and (3x + 5) dollars from another class. How much money have they collected in total?

• 8x + 20

• 5x + 10

• 7x + 15

• 6x + 15

A car rental company charges a base fee of (50 - x) dollars plus (20x) dollars for each day rented. If a customer rents a car for 3 days, how much will they pay?

• 50 + 20x

• 30 + 59x

• 50 + 59x

• 50 + 3x

A rectangular pool has a length of (2x + 4) meters and a width of (x + 2) meters. What is the perimeter of the pool?

• 6x + 12

• 8x + 12

• 6x + 8

• 4x + 8

A bookstore sells a novel for (15 + 2x) dollars and a magazine for (5 + x) dollars. If a customer buys one of each, how much do they spend in total?

• 25 + x

• 20 + 3x

• 15 + 4x

• 10 + 2x

A farmer has (6x + 12) apples and gives away (2x + 4) apples to a neighbor. How many apples does the farmer have left?

• 8x + 16

• 6x + 12

• 2x + 4

• 4x + 8

A pizza shop sells a large pizza for (10 + 3x) dollars and a small pizza for (5 + x) dollars. If a customer buys one of each, what is the total cost?

• 10 + 3x

• 15 + 4x

• 20 + 5x

• 5 + 2x

A student scored (80 + 2x) points on a math test and (70 - x) points on a science test. What is the total score of the student?

• 160 + x

• 150 + x

• 80 + 70

• 150 - x

A factory produces (5x + 20) toys in the first week and (3x + 15) toys in the second week. How many toys did the factory produce in total over the two weeks?

• 9x + 40

• 7x + 30

• 8x + 35

• 6x + 25

A concert hall has (200 - x) seats available for a show and sells (50 + 2x) tickets. How many seats are left after the tickets are sold?

• 50 + x

• 200 - x

• 100 - 2x

• 150 - 3x