Graphing and Solving Linear Equations
Operations with Fractions
Powers and Roots
Rational and Irrational Numbers
Scientific Notation
100

What is it called when you "plug in" an expression into an equation to find one variable?

Substitution

100

Solve:

2/5 x 3/4

Simplify your answer.

3/10

100

15^2

225

100

An irrational number cannot be turned into a ______.

Fraction

100

When multiplying numbers in scientific notation, or numbers with exponents, you ______ the exponents.

ADD.

200

Solve the following systems of equations using substitution:

5x - 2y = 3

y = 2x

x = 3

y = 6

200

Solve:

3 1/2 x 1 1/4

15/4 

or

3 3/4

200

0.2^ 2

0.04

200

Convert the following repeating decimal to a fraction:

0.8888...

8/9

200

(2 x 10^3) x (5 X 10^4)

10 x 10^7

300

What is the solution to the systems of linear equations below?

(-3, -2)

300

Solve:

3/5 + 4/6

Simplify your answer.

19/15 

or

1 4/15

300

x^2 = 196

X = 14

300

Convert the following repeating decimal to a fraction:

0.67676767...

67/99

300

14 x 10^-6

_________

7 x 10^-5


2 x 10^-1

400

Solve the following systems of equations using substitution:

x + 3y = 10

x = 3y - 14

x = - 2

y = 4

400

Solve:

8/15 divided by 4/7

Simplify your answer.

14/15

400

(1/3)^3

1/27

400

What is the estimate of the square root of 42?

About 6.48

400

(3.4 x 10^3) + (2.5 x 10^3)


Write your answer in STANDARD form.

5900

500

Solve the following systems of equations using elimination:

- x + 5y = 8

3x + 7y = - 2

(-3, 1)

500
Solve: 2 3/5 - 1 1/3


Simplify your answer.

13/5 - 4/3

39/15 - 20/15 = 19/15 or 1 4/15

500

x^3 = 64,000

40

500

Convert the following repeating decimal to a fraction.

1.535353...

152/99

500

(2.7 x 10^-3) - (1.6 X 10^-4)


Keep you answer in SCIENTIFIC FORM.

2.54 x 10^-3