PreAlgebra

Equations

100

Solve:
2x + 2 = 18

x = 8

200

Solve:
14 + x + 3 = -36

x = -53

300

Solve:
3x + 4 = 7

x = 1

400

Solve:
3x + 3 - 2x = 21

x = 18

500

Solve:
4x - 5 - 3x + 2 - 2x = 9

x = -12

Exponents

100

Simplify:

x¹⁰ * x³

x¹³

200

Simplify:

5⁷ / 5³

5⁴ or 625

300

Simplify:

x²⁷/x⁵

x²²

400

Simplify: 

(x³y⁴)²

x⁶y⁸

500

Simplify:

20j²k / 23j²k²

20/23k

Graphing

100

What is the slope of the following line?

y = 2x + 5

2 or 2/1

200

What is the slope of the following line?

y = 3x + 4

3 or 3/1

300

What is the slope of the following line?

10x - 2y = 12

5 or 5/1

400

What is the slope of a line with the following points?

(2, -3) and (4, 5)

4 or 4/1

500

What is the slope of a line with the following points?

(-5, 7) and (1,1)

-1 or -1/1

Scientific Notation

100

Write 0.00023400 in scientific notation?  

2.3 x 10 ^-4

200

What is 2,548,000 in scientific notation?

2.548 x 10⁶

300

Simplify:  (2.3 x 104) (3.5 x 10-2)

8.05 x 10²

400

Simplify:  4.8 x 10⁵/2 x 10³ 

2.4 x 102

500

2.34 x 10² + 3.4 x 10³

2.374 x 10^-1

Misc.

100

Is this relation a function? 

(1, 2) (3, 4) (5, 6) (7, 2)

Yes

200

What is the y intercept 

y = 5x - 7

b = -7 or (0,-7)

300

Dory is buying a square shaped canvas with an area of 144 square inches. Find the side length of one side of the canvas.

12

400

A ladder leans up against a wall. The ladder is 30-feet long and the bottom of the ladder is 18 feet away from the base of the wall. How high up on the wall does the ladder reach?

24 feet

500

Jenna has $30 in a bank account, and she adds $12 every week. After how many weeks will Jenna have $126 in her account?

8 weeks