9th Grade Math

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100

TRUE or FALSE: The ancient Romans had billboards advertising things such as bread, wine, and casinos

TRUE

200

What is the only US state to have 0 documented venomous snakes?

Alaska

300

Which mythological creature was defeated by Theseus and lived in Minos?

Minotaur

400

Neal wants to buy a puppy. He pays $150 up front and then pays $5 every week after for the next year (a year has 52 weeks). How much will he end up paying at the end of the year?

He will pay $410.

500

What is the legspan of the Goliath Bird Eater, the largest spider in the world?

Up to 12 inches!

Systems of Equations (Substitution)

100

What is the 3rd step in solving a system of equations using substitution?

Solve for the variable

200

TRUE or FALSE: The following system of equations has no isolated variables

5y-2x=-66

13x-y=22

TRUE

300

TRUE or FALSE: The following system of equations has no isolated variables

13x-16=1y

x+6y=13x+12

FALSE

400

What is the correct form for a solution to a system of equations?

An ordered pair

500

List all 5 steps to solving a system of equations

Isolate

Substitute

Solve

Substitute

Check

Slopes and Graphing

100

Calculate the slope between the following points: (2,1) & (4,5)

The slope is 2.

200

Calculate the slope between the following points. (-2,-1) & (7,8)

The slope is 1.

300

If the y-intercept of a line is -4 and the slope is 6, what is the equation of the line in slope intercept form.

y = 6x - 4

400

Is the slope of y = -2x + 5 positive or negative

Negative

500

Given a line passes through the y intercept of -1, and goes through the points (1,2) and (3,8), what is the equation of the line?

y = 3x - 1

Solving Equations

100

2x + 6 =0

x = -3

200

2x - 18 = -3x + 27

x = 9

300

7x + 42 = -3x - 28

x = -7

400

(x - 5)(x + 3) = 0

x = 5 or x = -3

500

x^2 - 9x + 18 = 0

x = 6 or x =3

2 Truths & a Lie

100

The following are all steps in the process of solving a system of equations using substitution

A. Isolate

B. Evaluate

C. Solve

B. Evaluate

200

Mr. Numrich's dogs are named...

A. Rosie

B. Gremlin

C. Goblins

B. Gremlin

300

The following are all true of y=-16x+16 except...

A. The slope is negative

B. The y-intercept is negative

C. When graphed, the line will move downwards from left to right

B. The y-intercept is negative

400

All of the following are valid expressions

A. 6x+133y

B. -14x-(-3y)+12x

C. 14y=2x+12

C. 14y=2x+12

500

All of the following monsters have beaten Godzilla in a fight

A. King Kong

B. King Ghidorah

C. King Caesar

C. King Caesar