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GED Test Mathematics Formula Sheet
Area of a:
Parallelogram
Trapezoid
Surface Area and Volume of a:
Rectangular/Right Prism
Cylinder
Pyramid
Cone
Sphere
(p = perimeter of base B; )
Algebra
Slope of a line
21
21
yy
mxx
−
=−
Slope-intercept form of the equation of a line
Point-slope form of the Equation of a line
Standard form of a Quadratic equation
2
y ax bx c= + +
Quadratic formula
Pythagorean theorem
Simple interest
( = interest, = principal, = rate, = time)