Enter Title

Types of number

100

What is the difference between natural and whole numbers?

Whole numbers include 0

200

Whole numbers and their negative opposites are called what? ex. -2, -1, 0, 1, 2

Integers

300

Rational or Irrational: 3.25

Rational

400

Rational or Irrational: pi

Irrational

500

Rational or Irrational:  Any fraction

Rational

Absolute Value

100

What is the definition of absolute value?

The distance from zero

200

Why is absolute value always a positve number?

Because absolute value measures distance and you cannot have a negative distance of something.

300

|5|

5

400

|-12|

12

500

Compare

|-25| ____ |20|

>

Simplifying Expressions

100

Like terms have to have the same what?

variable and exponent

200

Are these like terms?  4x  and  5x²

No

300

Simplify:

5x + 3x - 2y

8x - 2y

400

Simplify:

5 (2x + 4)

10x + 20

500

Simplify:

3 (3x + 10) - 5 

15x + 25

Solving Equations

100

2x = 40

x = 20

200

x - 13 = 13

x = 26

300

4x + 5x = 63

x = 7

400

2(3x -5) = 20

x = 6

500

3x + 10 = 43

x = 11

Inequalities

100

What inequality sign is this?

<

less than or equal to

200

Solve:

4x > 16

x > 4

300

Solve:

-2x > 100

x < -50

400

Which direction would you shade when you graphed this inquality?

4 > x

Left

500

5 (2x - 4) < 40

x < 6