Polynomials

Which of these is NOT a polynomial?

• ½ + 2

• (5x + 7)

• (x² + 3x + 2)

• (4x³ + 9x + 5)

What is a polynomial?

• A mathematical expression with only one term

• A mathematical expression without variables

• A mathematical expression with negative numbers only

• A mathematical expression with multiple terms containing variables and exponents

What is a monomial?

• A polynomial with no terms

• A polynomial with one term

• A polynomial with three terms

• A polynomial with two terms

How many terms are in the polynomial (x³ + 2x² - 4x + 1)?

• 1

• 2

• 3

• 4

Which term in (3x² + 2x + 7) is the constant term?

• 7

• 2x

• 3x

• 3x²

Subtract 4x - 2 from 7x + 5

• 3x + 3

• 3x + 7

• -3x + 7

• 11x + 3

What is (-2x² + 4x - 1) + (5x² - 2x + 3)

• 3x² + 2x + 2

• 3x² + 6x + 4

• 7x² + 2x + 2

• -7x^2 + 6x + 2

Simplify (6x + 2) - (2x - 1)

• 4x + 1

• 4x + 3

• 8x + 1

• 8x + 3

Simplify (3x + 2) - (-4x - 5)

• -x - 3

• -x + 7

• 7x + 7

• -7x - 3

Add -2r + 3s and 5r - 2s

• 3r + s

• 3r + 5s

• 7r + s

• -7r + 5s