Question: must know equations for sat?
Answer: Slope-Intercept Form of a Line. y=mx+b. ...  Vertex Form of a Parabola/Quadratic. y=a(x-h)^2+k. ...  Distance Formula. d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} ...  Quadratic Formula. ...  Exponent Rule (Multiplication) ...  Exponent Rule (Division) ...  Exponent Rule (Power Raised to a Power) ...  Binomial Product 1—Difference of Squares.