A1 Unit 1 Review

Vocabulary

100

the answer to a multiplication problem

a product

200

a fraction flipped over

reciprocal 

300

difference between an inequality and an equation

Equation both sides are equal. Inequality one side is less than or greater than the other.

400

4 mathematical operations

addition, subtraction, multiplication, division

500

two numbers that when multiplied the result is 1

multiplicative inverses

Order of Operations

100

12+5-8

9

200

12/3(7-3)

1

300

(3/4)(5+7)

9

400

(3*5-9)/(25-13)

1/3

500

3(5+7)-5(3+7)-7(3+5)

-70

1 and 2 Step Equations

100

x+5=9

x=4

200

-5x=-40

x=8

300

3x+8=29

x=7

400

(3/4)x-1=8

x=12

500

(x+1)/3=4

x=11

Multistep Equations

100

x+20+2x=56

x=12

200

-2x+12=17

x=-5/2

300

4(2-4x)-3x=65

x=-3

400

2(3x+2)=10+4x

x=3

500

2x+x+5=3x-3

No Solution

Inequalities

100

x<3 in interval notation

(-infinity, 3)

200

x-7>10 interval notation

(17, infinity)

300

-2t-5<3 as an inequality

t>4

400

x+4<2 or 4x>12 as inequalities

x<-2 or x>3

500

5<2x-7<13 in interval notation

(3, 10)