Understanding Polynomials

What is a polynomial?

• A polynomial is an equation that only includes division and multiplication.

• A polynomial is a single number or constant.

• A polynomial is a type of geometric shape.

• A polynomial is an expression of the form a_n*x^n + a_(n-1)*x^(n-1) + ... + a_1*x + a_0, where a_i are coefficients and n is a non-negative integer.

Identify the polynomial: 3x^2 + 2x - 5

• x^2 + 2x - 5

• 2x^2 + 3x - 5

• 3x^2 - 2x + 5

• 3x^2 + 2x - 5

Which of the following is not a polynomial: 4x^3 + 2/x - 1?

• 2x

• -1

• 2/x

• 4x^3

Identify the polynomial: x^4 - 7x^2 + 3

• x^4 - 5x^2 + 1

• x^4 - 7x^2 + 3

• x^3 - 7x + 3

• x^4 - 7x^2 + 5

Is the expression 5y + 2y^2 a polynomial?

• It depends on the value of y

• Only if y is a constant

• Yes

• No