# Study sets matching "formulas pre algebra"

Study sets

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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

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 p…

formula for midpoint

( average of x values , average of y values )

formula for distance

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

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 t…

Percent of Change

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

Percent Error

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