Review

like terms

100

3x²+3x+2x²

3x² and 2x²

200

2x + 4x + 9

2x and 4x

300

4a³ - 2b³ + 2a³ -2b²

4a³ and 2a³

400

2x² + 2y + 3x + 2y² + 3x²

2x² and 3x²

500

2x⁴ + 4x + 2x² + 3x

4x and 3x

distributive

100

5x(2-1)

10x-5x

200

2(x-2) + (x-3)

3x-7

300

3x(x-2) + (x-2)

3x² -5x-2

400

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

5x²-13x-6

500

9q²- 3(4q-7) + 5q²

14q² - 12q +21

mystery

100

What is the largest organ in the human body?

The Skin!

200

What is acrophobia a fear of?

Heights

300

What is the name of the element with the symbol Fe?

Iron

400

What is the only food that can never go bad?

Honey

500

What is the strongest muscle in the body?

Jaw muscle (masseter muscle)

Addition

100

Add (2x² +4x ) + (7x +x²)

3x²+11x

200

Add (3x² + 2x + 4) + (3x² + 6x)

6x²+8x+4

300

Add (x² + 4x + 7) + (x² -5x -4)

2x²-x+3

400

Add (x³+ 4x²+2x) + (3x²+4)

x³+7x²+2x+4

500

Add (3xy + 2x + 3) + (2xy + 4x + 8y)

5xy + 6x + 8y + 3

Subtract

100

(4x-3x²) - (3x² +2x)

-6x²+2x

200

(x³-2x) -(3x³-4x)

-2x³+2x

300

(3x⁴-3x)-(-3x-3x⁴)

6x⁴

400

(5x²-3x-3)-(-3x²-5x+5)

8x²+2x-8

500

(8x-3x⁴+10x²) -(3x²+11x⁴-7)

-14x⁴+7x²+8x+7