8th Grade Math

8th Grade Math Vocabulary

8th Grade Graphing

Advanced Math

Trivia

100

Solve: 31 + 7a = 10

a = -3

100

How do you "undo" a cubed variable?

Cube root

100

Slope intercept form

y = mx + b

100

Slope of y=2x-4

What is m=2

100

The distance from zero on a number line.

What is absolute value?

200

Solve: 6 = 4y - 10

y = 4

200

y-intercept

Initial value, where the line crosses the y-axis, starting point

200

The slope of the line with the points (0,4) and (0,6)

What is m=undefined

200

y-intercept of y=3x-8

What is -8

200

If a line is parallel to another, it has _____ slope

...the same slope.

300

Solve: 4 + 2c = 8 + 4c

c = -2

300

Hypotenuse

Longest side of a right triangle, opposite the right angles

300

Slope of the line that passes through (2,6) and (4,6).

What is m=o

300

Slope of y=-3/4x + 6

What is m=-3/4

300

If you solve an equation has infinitely many solutions, what would a solution look like?

x=x

6=6

Same on both sides

400

Solve: 14 = 2(3d - 14)

d = 7

400

Line of Best fit

Line that follows the pattern of the data, informally, half of the data is above and half is below.

400

Equation for slope

What is m = (y2 - y1)/(x2 - x1)

400

Write an equation in slope intercept form that passes through point (1, 8) and has a slope of 5.

y=5x+3

400

Numbers that include numbers that are NOT perfect squares...and pi

What are irrational numbers?

500

Solve: -3(x+5) = 2x-5

x = -2

500

Rational number

What is a number that can be expressed as a ratio, a/b, where b is not 0.

500

Name the slope of the following line. y = -1/2x + 8

Is it a positive or negative slope?

What is -1/2; negative.

500

Find the slope of the line passing through the following points: (-4, 0) and (-3, -2).

What is -2.

500

The only number in the English language that is spelled with same number of letters as the number itself...

What is 4 (four)?