8th Grade Math

Linear Equations

100

Is the following a linear equation: y=3x²+2

NO!!!

200

In what form is this linear equation: 3x+7y=-19

Standard Form

300

What is the x-intercept of: 3x-17y=9

(3,0)

400

What is the y-intercept of: 3x-4y=32

(0,-8)

500

Where does the line y=2x+4 intersect with the line x=5?

(5,14)

Slope-Int Form

100

What is slope-intercept form?

y=mx+b

200

In slope intercept form, what do they "m" and "b" represent?

m: slope

b: y-intercept

300

Put the following into slope intercept form: -y=2x-7

y=-2x+7

400

If a line has a slope of -2/5 and passes through the point (0,7), what is its equation in slope-intercept form?

y= -2/5x + 7

500

Put the following into slope-intercept form: 1/3x + 1/2y = 4

y= -2/3x + 8

Negative Numbers

100

True or False: -72>-5

False

200

-17 - 7

-24

300

-8 - (-11)

3

400

-8/(-2) + (-3)

1

500

24/(-6) - (-10/2)

1

Misc

100

What is Tom Brady's win/loss record in the Super Bowl?

7-3

200

What is the top grossing movie of all time?

Avatar

300

What 3 chemical elements make up carbohydrates?

Carbon, Hydrogen, and Oxygen

400

Name the city in the world with the largest population.

Tokyo, Japan

500

Where was the highest wind speed on Earth recorded?

Mt. Washington, New Hampshire (231 mph)