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Vocabulary
Equations
Ratios
Proportions
Square Roots
100

What is an irrational number?

A number that cannot be turned into a fraction.

100

x + 2 = 17

x = 15

100

What is one way a ratio can be written?

A to B, A:B, A/B

100

4/12=  11/P

p = 33

100

Square root of 64

8

200

What is a literal equation?

An equation where the numbers are replaced by letters

200

-9x = 54

x = -6

200

12/H =  3/17

H = 68

200

t/32=  7/16

t = 14

200

Square root of 16

4

300

What is a perfect square?

A number that has a whole number as a square root
300

2 – 15n = 5(-3n + 2)

No Solution

300

11/6= X/30

x = 55

300

21/x=  28/32

x = 24

300

Square root of 200

14.14

400

What is a radicand?

The number under the radical sign

400

Solve for x

2x + 4y = 8

x = 4 - 2y

400

10H/108=  5/9

h = 6

400

m/5 = (m -6)/4

m = 30

400

Square root of 21

4.6

500

Give an example of an irrational number.

Pi

500

Solve for a

u = ak / b

a = ub / k

500

7/112=  (c -3)/8

c = 3.5

500

3/x=  9/(x -4)

x = -2

500

Square root of 999

31.61