Mastering Polynomial Operations: Grade 8 Quiz

A gardener has 3x^2 + 5x + 2 flower plants in one section and 2x^2 + 3x + 4 in another. How many flower plants does the gardener have in total?

• 4x^2 + 7x + 5

• 3x^2 + 5x + 4

• 6x^2 + 2x + 3

• 5x^2 + 8x + 6

A school is organizing a fundraiser. They sell 4x + 7 tickets on the first day and 3x + 5 tickets on the second day. How many tickets were sold altogether?

• 7x + 12

• 8x + 15

• 5x + 8

• 6x + 10

A rectangular garden has a length of (2x + 3) meters and a width of (x + 4) meters. What is the area of the garden in terms of x?

• 2x^2 + 11x + 10

• 2x^2 + 11x + 12

• 2x^2 + 7x + 12

• x^2 + 11x + 12

A recipe requires 2x^2 + 3x + 1 cups of flour. If you double the recipe, how much flour will you need?

• 4x^2 + 6x + 2

• 8x^2 + 12x + 4

• 6x^2 + 9x + 3

• 2x^2 + 3x + 1

A car travels 5x + 10 miles in the first hour and 3x + 15 miles in the second hour. How far did the car travel in total?

• 7x + 20

• 6x + 15

• 9x + 30

• 8x + 25

A box contains 4x^2 - 2x + 6 apples. If 3x^2 + 5x - 4 apples are removed, how many apples remain in the box?

• 2x^2 + 3x + 2

• 5x^2 - 2x + 8

• x^2 - 7x + 10

• 3x^2 + 7x - 1

A farmer has a field represented by the polynomial 6x^2 + 4x - 8. If he plants 2x^2 + 3x + 1 more crops, what is the new polynomial representing the total crops planted?

• 6x^2 + 5x - 8

• 8x^2 + 4x - 6

• 2x^2 + 6x - 8

• 8x^2 + 7x - 7

A bookstore sells 5x + 12 novels and 3x + 8 magazines. How many items does the bookstore sell in total?

• 6x + 15

• 9x + 25

• 7x + 18

• 8x + 20

A rectangular pool has a length of (3x + 2) meters and a width of (x + 5) meters. What is the expression for the perimeter of the pool?

• 10x + 20

• 4x + 12

• 8x + 14

• 6x + 10

A factory produces 2x^2 + 3x + 4 toys in the first week and 4x^2 + 5x + 6 toys in the second week. How many toys did the factory produce in total?

• 7x^2 + 9x + 12

• 6x^2 + 8x + 10

• 3x^2 + 4x + 5

• 5x^2 + 7x + 8