Unit 6 Test Prep

Translate English to Math

100

A number increased by 3 is 5

x + 3 = 5

200

The quotient of a number and 2 is -14.

x 

300

Six more than a number is equal to the product of two and eight.

x + 6 = 2 * 8

400

Three times the sum of a number y and nine is ten times y.

2(y + 9) = 10y

500

The difference between the product of a number and 12, and 10, is 3 less than the quotient of that number and 4. 

12x - 10 = x/4 - 3

One Step Equations

100

13 = x - 9

22

200

3x = 18

x = 6

300

x+11 = 7

x = -4

400

-11 = x/-4

44

500

(3/4)x = 12

16

Two Step Equations

100

7x-4=31

x=5

200

4x + 11 = - 21

x = -8

300

x/3  - 16 = - 12

x = 12

400

(x-2)/ 7 = 4

30

500

(2/5)x - 6 = 4

x = 25

Multi Step Equations

100

7 + 2x = 5x - 20

x = 9

200

6x + 8 = 9x - 12

20/3 or 6 2/3

300

13x - 4(2x - 5) = 15

x= -1

400

13 – (5x + 8) = -40

9

500

-(8m + 4) = 4m - 2(6m + 2)

ANY NUMBER WILL WORK !!! infinite solutions

Types of Numbers

100

7

What is natural, whole, integer, and rational, and real?

200

0

What is whole, integer, and rational, and real?

300

-5.1

What is rational and real?

400

0.7878787878....

rational!! (that is 78/99)

500

Identify ALL number sets each belongs to:

a) 2
b) –3.5
c) √2

a) natural, whole, integer, rational

b) rational

c) irrational

and they are all real!