8th Grade Math Review

8th Grade Math 1

100

What is slope intercept formula?

y=mx+b

200

y=mx+b, what part of the formula is the slope?

m

300

What is another name for slope?

Rate of change, unit rate, m, constant of proportionality

400

What is the test to tell if a graph is a function?

vertical line Test

500

What is the y-intercept of the line?

2 

8th Grade Math 2

100

What is 1,0000⁰

1

200

Is it a function? Justify your answer. {(2, 3), (4, 5), ( -2, 6)}

Yes, each input has exactly one output.

300

Write 5.76 x 10⁴  in standard form

57,600

400

Identify the independent (x) variable: The relationship between the number of hours worked and the amount of money earned.

The number of hours worked.

500

18a^7/6a^3

What is 3a^4

8th Grade Math 3

100

These numbers can be written as fractions

rational numbers

200

True or false: a graph is proportional if the graph is positive

true

300

The opposite of squaring a number is taking the...

Square root

400

True or False: The natural numbers are a subset of the integers.

True

500

An irrational number does not terminate or

repeat

8th Grade Math 4

100

Simplify: 5^2 x 5^6

What is 5^8

200

If point A is located at (5,6) and it is reflected across the x-axis, what would point A' be?

(5,-6)

300

Simplify: (x^2y^6)3

What is x^6y^18

400

Find the slope of a line containing the following points (3,0) (3,4)

What is undefined

500

Write the equation of a line with an undefined slope

What is y= any value

8th Grade Math 5

100

All the angles in a triangle should add up to what degrees?

180 degrees

200

What is the formula to calculate compound interest?

A=P(1+r)^t

300

What is the value of x when you have a hypotenuse of 19.7, and a side length of 18.

8

400

In dilations, "k" means...

scale factor

500

What is the length of the hypotenuse when the legs are 3 and 4

a²+ b² = c²

3² + 4² = c²

9 + 16 =25

c = 5

8th Grade Math 6

100

What are the 4 types of transformations?

Translations (slide), Reflections (flip), Rotations (turn), and Dilations (grow/shrink)

200

What is the slope of y=7x+12

7

300

What do you do to a figure when you translate it?

slide

400

What transformation does not preserve it's congruence?

dilation

500

If you have the point (5,4) and it is rotated 90^o counterclockwise, what will the new point be located?

(-4,5)