9th Math Polynomial Review

Adding Polynomials

100

Add the Polynomials

(4x + 9) +(x - 4)

5x + 5

200

Add the polynomials:

(-3x - 2) + (7x + 5)

4x + 3

300

Add the polynomials:

(x² +3x + 5) + ( -x² +6x)

9x + 5

400

Add the polynomials:

(x² + 3x - 3) + (2x² +7x) 

3x² +10x -3

500

Add the polynomials: 

(-1 + x² + 2x) + (1 -2x + 2x²)

3x²

600

Add the polynomials:

(3x+10) + (6x - 9)

9x+1

Subtracting Polynomials

100

Subtract the polynomials:

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

1

200

Subtract the polynomials:

(-5x - 2) - (7x +6)

-12x - 8

300

Subtract the polynomials:

(-x² - 5) - (-3x² -x -8)

2x² + x +3

400

Subtract the Polynomials:

(x² +4x + 4) - (7x -3x²)

4x² -3x + 4

500

Subtract the Polynomials:

(2x - 3x) - (x² -2x + 4)

-x² + x - 4

600

Subtract the following polynomials

(3 - 6x⁵ - 8x⁴) - (-6x⁴ - 3x - 8x⁵)

2x⁵ - 2x⁴ + 3x + 3

All about Polynomials

100

What are like terms?

Terms with the same variable and the same exponent.

200

When adding polynomials, what do the exponents do?

Remain the same.

300

When multiplying polynomials, what do the exponents do?

Exponents add.

400

A polynomial with 1 term is called:

Monomial.

500

A polynomial with 2 terms is called:

Binomial

600

A polynomial with 3 terms is called:

Trinomial

Multiplying Polynomials

100

Multiply the Polynomials:

3x² (2x⁴)

6x⁶

200

Multiply the Polynomials:

3(2x + 4x² - 5)

12x² + 6x - 15

300

Multiply the Polynomials:

(x - 1)(−8x² − 6x − 12 )

-8x³ - 6x² - 12x + 8x² + 6x + 12

-8x³ + 2x² - 6x + 12 (Correct Answer)

400

Multiply the Polynomials:

(x-2)(x+6)

x²+4x-12

500

Multiply the Polynomials:

(3x-6)(5x+3)

15x²-21x-18

600

Multiply the following polynomials

(3x+ 5)²

9x² + 30x + 25