P4 Day 1 Section P4
Rational Equations Multiply both sides by the common denominator The denominators cancel out and you have an equation Solve the equation Check your answers
X-Intercepts X-intercept Zeros Real Solutions Roots
Quadratic Equations Take the square root of both sides Put plus or minus on one side of the equation Solve the two equations for x Check your answers
U-Substitution Put the equation in standard form Let u = the middle term without the coefficient Let u squared be the first term without the coefficient Substitute in u squared and u Factor the new equation Solve for u
U-Substitution Plug back in what u equals Solve for the variable in the given equation Check your answers