Polynomials: Addition and Subtraction

What is a polynomial with two terms called?

• Trinomial

• Binomial

• Quadrinomial

• Monomial

Which of the following is an example of a trinomial?

• 7x^2 - 4x + 5

• x - 10

• 5

• 3x

When adding polynomials, what must be true about the terms you combine?

• They must have the same variables raised to the same power.

• They must be in the same polynomial.

• They must have the same coefficients.

• They must be constants.

What is the result of adding 3x^2 + 7x - 5 and 2x^2 + 3x?

• 5x^2 + 10x - 5

• 5x^2 + 10x

• 5x^2 + 7x

• 5x^2 + 7x - 5

In the example of adding three polynomials, what is the coefficient of xy in the result?

• 6

• 8

• 5

• 7

What is the first step in subtracting one polynomial from another?

• Add the polynomials.

• Distribute the negative sign to the second polynomial.

• Combine like terms.

• Multiply the polynomials.

What is the result of subtracting 3y^2 + 3xy - 4 from 6y^2 + 3xy - 10?

• 6y^2 + 0xy - 6

• 3y^2 + 0xy - 6

• 6y^2 + 3xy - 6

• 3y^2 + 3xy - 6

In the word problem, what is the perimeter of the triangular roof?

• x^2 + 14x + 6

• x^2 + 15x + 5

• x^2 + 14x + 5

• x^2 + 15x + 6

What is the first step in solving the word problem involving the triangular roof?

• Subtract the sides.

• Multiply all sides.

• Divide the sides.

• Add all the sides.

What is the correct result of adding the polynomials x^2 + 4x + 1, 2x^2 + x + 2, and 8x^2 + 2x + 2?

• 10x^2 + 7x + 5

• 20x^2 + 8x + 5

• 20x^2 + 7x + 5

• 20x^2 + 7x + 6