# Study sets matching "algebra formulas math pre"

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Adding integers: Same sign:

Adding integers: Different sign:

Subtracting integers: rule #1

Subtracting integers: rule #2

Keep it and add

Subract, then keep the sign of the larger number

Change the sign of the 2nd #

Follow rules of addition

Adding integers: Same sign:

Keep it and add

Adding integers: Different sign:

Subract, then keep the sign of the larger number

Percent Equation

Percent Proportion

Simple Interest and blance

Probability of an Event

𝑎 = 𝑝% • 𝑏

a = %... --- ---... b 100

I=Prt ... A= P+I

Favorable Outcomes... -------------------------------... Possible Ou…

Percent Equation

𝑎 = 𝑝% • 𝑏

Percent Proportion

a = %... --- ---... b 100

absolute value

elements

even numbers

integers

the distance from the graph of a number to the orgin on the nu…

a member of a set denoted by the symbol a curved "e".

whole numbers divisible by 2.

the set of counting numbers, their opposite, and zero.

absolute value

the distance from the graph of a number to the orgin on the nu…

elements

a member of a set denoted by the symbol a curved "e".

Integers

Whole Number

Odd Integer

Even Integer

Any number that is not a decimal or a fraction. ie: -30, 1, 2,…

Any number that is not a negative or a fraction. ie: 0, 2, 37,…

Any integer that cannot be divided by 2 without a remainder.... i…

Any integer that can be divided by 2 without a remainder (incl…

Integers

Any number that is not a decimal or a fraction. ie: -30, 1, 2,…

Whole Number

Any number that is not a negative or a fraction. ie: 0, 2, 37,…

Area of a Triangle

Area of a Rectangle

Area of a Trapezoid

Area of a Parallelogram

1/2 bh... 1/2 x base x Height

lw... length x width

1/2 (b1+b2)h... 1/2 x sum of bases x height

bh... base x height

Area of a Triangle

1/2 bh... 1/2 x base x Height

Area of a Rectangle

lw... length x width