Grade 9 Math Polynomial Review

Adding Polynomials

100

Add the Polynomials

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

5x + 5

200

Add the polynomials:

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

4a + 3

300

Add the polynomials:

(x² +3x + 5) + ( -x² +6x)

9x + 5

400

Add the polynomials:

(t² + 3t³ -3) + (2t² +7t -2t³) 

t³ +3t² +7t -3

500

Add the polynomials: 

(-1 + x² + 2x) + (1 -2x + 2x²)

3x²

600

Find the perimeter of a triangle whose side lengths are 3x, 2x + 7,  and 18 units long.

5x + 25 units

Subtracting Polynomials

100

Subtract the polynomials:

(g - 4) - (3g - 6)

-2g + 2

200

Subtract the polynomials:

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

-12h - 8

300

Subtract the polynomials:

(-x² - 5) - (-3x² -x -8)

2x² + x +3

400

Subtract the Polynomials:

(k² + 6k³ -4) - (5k³ + 7k -3k²)

k³ + 4k² -7k -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

Random Trivia

100

What is the name of the Dinosaur in Toy Story?

Rex

200

Who is the science guy?

Bill Nye

300

What did one wall say to the other wall?

Meet you at the corner!

400

What is Math called in other countries?

Maths

500

How many bones do sharks have?

Zero

600

What is the capital of California?

Sacramento

Polynomials

100

Add the Polynomials:

(6-6b²)+(4+4b²)

-2b²+10

200

Simplify each sum:

(8n²+5-2n)+(8n²+8+6n)

16n²+4n+13

300

Simplify each difference

(5k+3k²)-(k²-7k)

2k²+12k

400

simplify each difference:

(2-3x²+2x)-(8x-3x²+4)

-6x-2

500

Simplify each difference:

(4p²+2p-7)-(4p+8+5p²)

-p²-2p-15

600

Simplify each difference:

(3n+3+6n²)-(8n-1+7n²)

-n²-5n+4

Solving

100

Solve each equation

6=n+4

n=2

200

Solve each equation:

-4n-3=-7

n=1

300

Solve each equation: 

-12=3b-3

b=-3

400

Solve each equation:
1-2m-m=13

m=-4

500

Solve each equation:

4=-5n+4-3n

n=0

600

Solve each equation: 

2n+10=-7n-15+4n

n=-5