Polynomials Review

How many terms would be in the expanded form of (x - 3)⁵ ?

• 5

• 6

• 7

• 8

Expand the expression.
(2x+5)⁴

• 2x⁴ + 40x³ + 300x² + 1000x +625

• 16x⁴ + 160x³ +600x² +1000x + 625

• 16x⁴ + 1000x³ + 600x² + 160x +625

(2x³ + 1)⁵

• 32x ¹⁵ + 80x ¹² + 80x ⁹ + 40x ⁶ + 10x ³ + 1 

• x ²⁰ − 5x  + 10x² −  8y³ + 5x⁴ − y ⁵ 

(4x+1)(5x−2)

• 20x² + 3x − 2

• 20x² − 11x + 5

• 20x² − 18x + 2

• 20x² − 3x − 2

(x-3)(x²+2x+7)

• x³-x²+x-21

• x³+5x+13x-21

• x³-3x²+7x-21

• x²+2x-3

What is the degree ( highest power) of this polynomial?

• 1

• 5

• 7

• 13

• 12

Add these polynomials:

(5x + 2) + (4x + 5)

• 9x -7

• -9x-11

• 9x+7

• x+7

Multiply these polynomials: (3x + 2) (x - 5)

• 3x² - 13x - 10

• 3x² - 15x + 10

• 3x² + 15x - 10

• 3x² + 13x - 10

Find the zeros of the polynomial: x^2 - 5x + 6 =0

• -2 and -3

• 2 and 3

• 3 and 2

• Cannot be determined

Solve the equation (2x - 8) (x + 5) = 0

• 4 and -5

• 4 and 5

• 1/4 and -5

• -1/4 and 5