Math 9 Cycle 7 Review

Add/Subtract Polynomials

100

(4x + 5) + (3x - 2)

7x + 3

200

(2x² - 4x - 6) + (-7x² + 5x - 3)

-5x² + x - 9

300

(6x² + 5x - 2) - (-3x² + 3x + 3)

9x² + 2x - 5

400

Find the perimeter of a rectangle with a side lengths of 3x + 4, and 2x² - 7

4x² + 6x - 6

500

What is the missing side lengths of an isosceles triangle with a perimeter of 39x - 11, and a base of 

7x + 3

16x - 7

(39x - 11) - (7x + 3) = 32x + 14

32x + 14/2 = 16x + 7

Multiply/Divide Polynomials

100

4(5x - 2)

20x - 8

200

8x² - 12x + 24 / 4

2x² - 3x + 6

300

-6x²(4x² - 2x - 11) 

-24x⁴ + 12x³ + 66x²

400

48y⁷ - 72y⁵ + 60y² / -12y²

-4y⁵ + 6y³ - 5

500

x⁴y²z³(xyz - x²yz³ - x³y⁵z)

x⁵y³z⁴ - x⁶y³z⁶ - x⁷y⁷z⁴

Square Roots of Fractions and Decimals

100

√16/49

4/7

200

√0.64

0.8

300

√0.09

0.3

400

√0.000025

0.005

500

√45/125

3/5

45/125 = 9/25 (divided by 5)

√9/25 = 3/5

Add/Subtract Decimals

100

-2.48 + 7.29

4.81

200

-11.37 + 4.18

-7.19

300

(-24.87) - (-29.26)

4.39

400

15.97 - (-25.93)

41.90

500

(-12.71) - 8.35 + (-4.62)

-25.68

Mr Erickson Choice

100

Which current Clavet teacher was once a coach for Mr. Erickson?

Mr. Yeo! (club volleyball)

200

What are the 4 different activities that Mr. Erickson has coached this year (hint: not all school activities!)

Jr/Sr Golf, Jr Vball, u9 hockey

300

Which major pizza joint does Mr. Erickson and his family buy from?

Dominos

400

What family gift did Mr. Erickson get his family this Christmas?

Nintendo Switch!

500

What school did Mr. Drennan attend for high school?

Clavet Comp!