Adding, Subtracting and Multiplying Polynomials Review

Find the sum.
(2x² + 5x - 7) + (3 - 4x² + 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 2x² + 5x -7

• -2x² + 11x -4

Find the product:
(2x+3)²

• 2x+3+2x+3

• 4x²+12x+9

• 4x²+9

• 16x²+9

How many terms are in the following polynomial?
3x³ - 2y + 8x -16

• 1

• 2

• 4

• -16

What technique can be use to add polynomials?

• combining like terms

• counting the exponents

• subtracting the coefficients

• multiplying the variables

When adding or subtracting polynomials we add / subtract the _____________________________.

• Exponents

• Polynomials

• Coefficients

• All of the above

Simplify: -15w - 19w

• 4w

• -4w

• 34w

• -34w

Simplify:  3 (a +b + c)

• a+b+c

• 3+3+3

• 3a + 3b +3c

• a-b-c

(2n + 2)(6n + 1)

• 12n + 2

• 12n² + 2

• 12n² + 12n + 2

• 12n² + 14n + 2

What is the leading coefficient of the polynomial?
  7x⁵ - 9x² + 6x

• 7

• 5

• 9

• 2

What is the leading coefficient of this polynomial? (it is not in standard form)

• 2

• 10

• -1

• 1