Algebra MP2 Review cc

Ratio

100

What is a RATIO?

The comparison of 2 items

200

I have 5 dogs, my friend has 3 cats. Whats the ratio of cats to  dogs?

3:5, 3 to 5,  3/5

300

If there are 7 girls and 8 boys on the school’s track team, what is the ratio of girls to boys?

7:8, 7 to 8, 7/8

400

What are the 3 ways to write a Ratio?

:, to, /

Proportions

100

What is a Proportion?

Relationship of 2 numbers

200

Solve the proportion

x/2=6/12

x=1

300

solve 7/x+9=7/12

x=3

400

x-3/5=6/10

x=6

inequalities

100

Name the 2 symbols used in inequalities

< less then

> greater than

200

x is less than 99

is the dot open or closed?

which direction does the arrow go?

Open 

to the Left 

300

0>-5x-6x

11>x

400

5k-2k>-9

x=-3

nth term

100

What is the Formula?

a+(n-1)xd

200

2,4,6,8

what is the 33rd term 

67

300

5,10,15,20

what is the 100th term?

500

400

3,7,11,15

Find the 85th term 

333

Domain, Range and Function

100

List the Domain?

(3,20 (2,7) (8, 9) (1, 7)

2,3,7,8

200

Is the following a function?

(2,2) (7,8) (8,4) (6,3) (-2,2)

Yes

300

List the Domain.

(3,0) (4,9) (2,7) (4,4)

0,4,7,9

400

List Domain and Range in order from Least to Greatest

(6,6) (3,7) (-9, 3) (15, 4) (-1, 5)

D= -9, -1, 3,6,15

R= 3,4,5,6,7