Unit 3 Review

Scientific Notation

100

70,000,000.

7x10⁷

200

0.0052

5.2x10³

300

2153,000.

2.153x10⁶

400

300,600

3.006x10⁵

500

What is Scientific Notation?

A short way to write very large or very small numbers as a product of 10.

Square Roots

100

What is the square root of 36?

6 or -6

200

What is the definition of square root?

One of the two equal factors of a number.

300

What is the definition of a perfect square?

Product of a rational number multiplied by itself.

400

What is the square root of 144?

12

500

What is the square root of 625?

25

Cube Roots

100

What is the cube root of 27?

3

200

What is the cube root of 729?

9

300

What is the cube root of 343?

7

400

Can cube roots be negative?

Yes

500

What is the definition of cube root?

One of the 3 equal factors of a number.

Pythagorean Theorem

100

What is the equation for the Pythagorean Theorem. 

a²+b²⁼c²

200

12²+b²=15²

9 or -9

300

3²+4²=c²

5 or -5

400

6²+8²=c²

10 or -10

500

5²+b²=13²

12 or -12

Two Step Equations

100

-2x+5=17

-6

200

3x-7=11

6

300

x/4+1=-9

-40

400

x/-5-3=2

-25

500

-3+x=10

26