8th Grade End of Year Review

Sci Not. and Exponents

100

Write in scientific notation: 1, 083, 000, 000, 000

What is 1.083 x 10 to the 11

200

Write in scientific notation: 0.000008004

What is 8.004 x 10 to the -6

300

35⁰

What is 1

400

12^-2

What is 1/144

500

Simplify and write with only positive exponents: x¹⁰/x¹²

What is 1/x²

Solving Equations

100

Solve for x: 6x - 4 = -34

What is x = -5

200

Solve for a: a/2 + 5 = 12

What is a = 14

300

Solve for y: 2(2y - 3) = 4y + 6

What is no solution?

400

Solve the equation: 4x³=4000

what is x=10

500

Solve the equation 2x²+7=39

What is x = 4 or -4

Linear Functions

100

Find the slope: (1, 2) and (3, 4)

What is 1

200

What is the initial value and the slope of y=-2x+1

slope = -2

y-intercept = 1

300

Put in y = mx + b form: (0, -2) m = -3/2

What is y = -3/2x - 2

400

A gym charges a $10 membership fee and $25 a month. Write an equation in slope intercept form for the cost of membership after x months.

What is y = 25x+10

500

Graph this line: y = -2x

Check answers.

Rational and Irrational

100

Rational or Irrational: √9

What is rational?

200

Write as a fraction: 0.333333.....

What is 1/3?

300

Rational or Irrational: pi

What is irrational?

400

Write 0.252525..... as a fraction.

What is 25/99?

500

The cube root of 64

What is 4?

Geometry Vocab

100

2 angles that are adjacent and form a line 

What is a linear pair

also take supplementary

200

A pair of opposite congruent angles formed by intersecting lines

What are vertical angles

300

a²+b²=c²

What is the Pythagorean Theorem?

400

volume of a sphere

What is 4/3πr³

500

Name the 4 types of transformations

What is translation, reflection, rotation, and dilation