Math Midterm Study Guide

Real Numbers

100

Is the following number real, irrational, rational, integers, whole, or natural?

-6

rational, real, and an integer

200

Is the following number real, irrational, rational, integers, whole, or natural?

radical 2

real, irrational

300

Is the following number real, irrational, rational, integers, whole, or natural?

0.35

rational, real

400

Is the following number real, irrational, rational, integers, whole, or natural?

0

rational, whole, integer, real

500

Is the following number real, irrational, rational, integers, whole, or natural?

rational 121/16

real, irrational

Percents

100

Is the following a percent increase or a percent decrease

$12.50 to $15.00

Percent increase

200

Is the following a percent increase or a percent decrease

13 ft to 8 ft

Percent decrease

300

Is the following a percent increase or a percent decrease

8 ft to 10 ft

Percent increase

400

Is the following a percent increase or a percent decrease

$32.50 to $27.68

Percent decrease

500

Is the following a percent increase or a percent decrease

6 ft to 75 ft

Percent increase

Inequalities

100

2(2+3c) = 6 -4c

1/5

200

3|2x-6|=54

x=-6,12

300

4d+7=23

d=4

400

4x-4=20

x=6

500

3x+1=13

x=4

Vocab Unit 1

100

Base and an exponent

Power

200

Mathematical phrase that includes one or more variables 

algebraic expressions

300

the expression under the radical symbol

radicand

400

A term that has no variable

constant

500

a number or a variable

term

Vocab Unit 2

100

cross multiplying

cross products

200

compares two numbers by division

ratio

300

to undo an operation

inverse operations

400

a rate with a denominator of one

unit rate

500

equations that have the same solution

equivalent equations