Polynomial Quiz (Name, add, subtract and multiply)

Write the polynomial - 5x^2 +2x^3 - 7 +3x in standard form.

• 2x^3 - 5x^2 - 3x - 7

• 2x^3 - 5x^2 + 3x + 7

• 2x^3 + 5x^2 + 3x - 7

• 2x^3 - 5x^2 + 3x - 7

Add the polynomials 2x^2 + 3x - 1 and 4x^2 - 2x + 5.

• 8x^2 + 2x + 4

• 5x^2 + 2x + 4

• 6x^2 + x + 4

• 6x^2 - 2x + 4

Subtract the polynomials 5x^3 + 2x^2 - 3x + 1 and 3x^3 - 4x^2 + 2x - 5.

• 3x^3 - 2x^2 - 5x - 4

• 2x^3 + 6x^2 - 5x + 6

• 8x^3 - 2x^2 + 4x - 4

• 7x^3 + 2x^2 - x - 4

What is the product of Sum and difference (x + 4)(x - 4).

• x^2 + 16

• x^2 - 8

• x^2 + 8

• x^2 - 16

What is the degree of the polynomial 6x^4y - 2x^3y + 4x^2 - 1?

• 5

• 4

• 3

• 2

Write the polynomial -3x^4 + 2x^2 - 5x + 7 in standard form.

• - 5x-3x^4 + 2x^2 + 7

• 2x^2 + 3x^4 5x - 7

• -3x^4 + 2x^2 - 5x + 7

• -3x^4 - 2x^2 - 5x - 7

Name the polynomial 7x^3 - 3x^2 + 2x +7 by its degree.

• cubic polynomial

• quadratic trinomial

• linear polynomial

• quadratic polynomial

Subtract the polynomials 4x^3 - 3x^2 + 2x - 1 and 2x^3 + x^2 - 3x + 4.

• 2x^3 - 4x^2 + 5x - 5

• 6x^3 - 2x^2 - x - 3

• 2x^3 - 2x^2 + 5x - 5

• 6x^3 - 4x^2 + 5x - 5

Multiply the binomials (x + 2) and (x - 5).

• x^2 - 3x - 10

• x^2 - 3x + 10

• x^2 + 3x - 10

• x^2 + 3x + 10

What is the degree of the polynomial 5x^4 - 3x^3 + 2x^2 - x + 1?

• 4

• 3

• 5

• 2