Grade 9 Math Review

Linear Equations

100

What is the slope in y=-3x+7?

-3

200

find the slope of a line with points (4,5) and (-3,2)

3/7

300

What is the y intercept of the line y=2x-4

-4

400

rearrange the equation to y=mx+b form 3x+4y-12=0

y=(-3/4)x-3

500

find the y-intercept of a line with slope=2 and which goes through point (4,6)

-2

Exponents

100

simplify (x)(x)(x)(x)

x^4

200

what is 1/2 squared?

1/4

300

(2x^2y^4)(3xy)

6x^3y^5

400

6x^4y^6z/3y^3

2x^4y^3z

500

3x(4x^2+2xy+3y^2)

12x^3+6x^2y+9xy^2

Solving Equations

100

solve for x

2x+4=10

3

200

4x=2

1/2

300

3x-5=-6x-8

x=-1

400

2(x/4+5)=12

x=4

500

-2(2x+5)=10

x=-5

Angles

100

draw two parallel lines and a traversal (line going through them). Indicate any two angles that are equal.

answers vary

200

What do the interior angles of a triangle sum to?

180

300

Two lines are crossing in an "x" pattern, what should all 4 of the interior formed angles sum to?

360

400

a triangle has on angle with "x" degrees, one angle with "2x" degrees and one angle with "3x" degrees. How big is x?

30

500

a 5 sided shape (angles sum to 540) has angles with the following values x x-3 x+6 x+5 3x find the value of x

7x+8=540 x=76

Ms. Woodward

100

What year did Ms. Woodward first come to West Hill?

2023 (October)

200

What University did Ms. Woodward go to?

Queen's University

300

What is Ms. Woodwards Birthday (100 points for the Month, Date, and Year respectively)

October 26, 2001

400

What is Ms. Woodward's favourite passtime with her friends?

Bonus 500 points for specificity ;)

Trivia!

Her team name is The Cheese Rats

500

How many concerts has Ms. Woodward been to since school started in September (*not counting openers, counting ALL primary artists I have seen)?

*MUST BE WITHIN 4 TO GET THE POINTS*

22 (between 18 and 26 get the points)

(Lumineers, Hozier, Renee Rapp, Remi Wolf, Ravyn Lenae, Chelsea Cutler, Blondshell, Julia Wolf, Elio, Emei, Kacey Musgraves, Role Model, Charlotte Cardin, Noah Cyrus, Valley, Joy Oladokum, Almeda, Baby Nova, Chance the Rapper, Jeremy Zucker, Sabrina Carpenter, Katseye)