SAT Math Equations (copy)

Formulas for SAT Math

Vertex of Parabola

Sum of Solutions

Discriminant of Parabola

Slope of Horizontal Line

Distance Formula

Midpoint Formula

Important Pythagorean Triples

Central angle is _____ Inscribed Angle

double

Circle Formula

sin(x) =

360° =

Midpoint & Variance Formula

|x - midpoint| < variance

Percent Change

difference/original * 100%

Direct Variation

x₁/y₁ = x₂/y2

Inverse Variation

x₁y₁ = x₂y₂

a^x * a^y

asdfaasdasdf

Square Root Equation

Recheck answers to make sure all of them work

Sum of 2 sides of a triangle:

The sum of any 2 sides of a triangle must be larger than the third side.

Discriminant Rules

If the discriminant is positive and a perfect square the roots are rational, if the discriminant is not a perfect square roots are irrational