Pythagorean Theorem
a�+b�+c�
Volume Cylinder
?r�h
Volume Sphere
4?r�/3
Volume Cone
?r�h/3
Area of triangle
A= bh/2
Area of square
A= s�
Circumference of a circle
?d
Area of circle
A= ?r�
Volume of cube
V= s�
Surface area of cube
SA= 6S�
Volume of rectangular prism
V= lwh
Rate of change (slope)
y2-y1
_______
x2-x1
Slope intercept form
y=mx+b
Point slope form
y-y1=m(x-x1)
X-axis reflections
(x,y) to (x,-y)
y-axis reflections
(x,y) to (-x,-y)
90 rotation (same as 270 counter clock)
(x,y) to (y,-x)
180 rotation
(x,y) to (-x,-y)
270 rotation (same as 90 counter clock)
(x,y) to (-y,x)
Distance formula
d=?(x2?x1)2 +(y2?y1 )2
Midpoint formula
x1+x2 y1 +y2
( -------- --------- )
2 , 2
Quadratic equations
y= ax� +bx+c