# Algebra Formulas

 Geometry Quadratic Equation Equation of a circle : Center = (h,k ), Radius = r Quadratic Function: y= Vertex = Distance Formula : Quadratic Formula

Slope : , Parallel lines :  m1 = m2 , Perpendicular lines:

Point- Slope Formula :
Slope- Intercept Form : y = mx + b , Horizontal Line: y = b, Vertical Line: x = a
(m = 0) (m undefined)

Standard Form: Ax + By = C

Midpoint Formula:

Factoring

 Difference of Squares : Perfect Square Binomials : Difference of Cubes Perfect Cube Binomials Sum of Cubes
 Exponents / Radicals Imaginary Number Absolute Value For a> 0,

Area & Perimeter Formulas

Area (A) is the amount of square units of space an object occupies.
Perimeter (P) is the distance around a figure.

 1.Square: A quadrilateral (4-sided figure) with four 90o (right) angles and four equal sides. 2. Triangle: A 3-sided figure 3. Rectangle: A quadrilateral with four 90o (right) angles. 4. Right Triangle: triangle with a 90o (right) angle 5. Parallelogram: A quadrilateral with equal opposite sides. 6. Trapezoid: A quadrilateral with exactly one pair of parallel sides. 7. Circle: A set of points a constant distance (radius) from a given point (center).
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