#### Study sets matching "algebra formulas math pre"

#### Study sets matching "algebra formulas math pre"

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

absolute value

elements

even numbers

integers

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

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 n…

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.…

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

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…

Arithmetic mean

Probability

Direct Proportionality

Inverse Proportionality

Sum of values/number of values

Target outcomes/total outcomes

Variables x and y are directly proportional when the followin…

Variables x and y are inversely proportional when the followi…

Arithmetic mean

Sum of values/number of values

Probability

Target outcomes/total outcomes

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

Order of Operations

Proportion

Ratio

Sum

The way in which an expression is to be evaluated--PEMDAS. 1.…

An equation that states that two ratios are equal

A comparison of two numbers by division

A quantity obtained by addition

Order of Operations

The way in which an expression is to be evaluated--PEMDAS. 1.…

Proportion

An equation that states that two ratios are equal

slope-intercept equation

vertical line equation

horizontal line equation

slope of horizontal line

y = mx + b, where m=slope and b=y-intercept

x = # (constant)

y - # (constant)

Answer: 0

slope-intercept equation

y = mx + b, where m=slope and b=y-intercept

vertical line equation

x = # (constant)

Percent of Change

Percent Error

Percent Proportion

Markup & Discount

amount of change ... ———————————... original amount

amount of error... —————————- x 100... actual value

is (or part)... --... of (or whole)

% × Whole... Example of Markup: ... Let m represent the amount of…

Percent of Change

amount of change ... ———————————... original amount

Percent Error

amount of error... —————————- x 100... actual value

formula for midpoint

formula for distance

Pythagorean Theorem

monomial

( average of x values , average of y values )

The square root of ( x2-x1)squared + (y2-y1)squared

a squared + b squared = c squared

a single term in which any exponent for a variable must be a…

formula for midpoint

( average of x values , average of y values )

formula for distance

The square root of ( x2-x1)squared + (y2-y1)squared

Natural Numbers

Whole Numbers

Integers

Real Numbers

1,2,3,4,5,..... (counting numbers)

0,1,2,3,4,5,..... (counting plus 0)

-2, -1, 0, 1 ,2 (positive and negatives)

All the numbers that you know

Natural Numbers

1,2,3,4,5,..... (counting numbers)

Whole Numbers

0,1,2,3,4,5,..... (counting plus 0)

percent equation

pythagorean theorem

percent of change

simple interest

is/of = %/100

A^2 + B^2 = C^2

second number - first number divided by first number

principle (amount borrowed) • interest rate (decimal form) •…

percent equation

is/of = %/100

pythagorean theorem

A^2 + B^2 = C^2

POLYNOMIAL

DEGREE OF A POLYNOMIAL IS

MONOMIAL - what it is

MONOMIAL - what it isn't

can be monomials, binomials and trinomial

the largest exponent

A number, a variable, or the product of a number and one or m…

addition, subtraction or division

POLYNOMIAL

can be monomials, binomials and trinomial

DEGREE OF A POLYNOMIAL IS

the largest exponent