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Section P7 Equations. Solving Linear Equations in One Variable. Example. Linear Equations with Fractions. Solving with Fractions. Example. Example. Rational Equations. Solving Rational Equations. Example. Example. Example. Solving a Formula for One of Its Variables. Example.
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Solving Linear Equations in One Variable
Equations Involving Absolute Value
Quadratic Equations and the Discriminant
Graphing Calculator The real solutions of a quadratic equation ax2+bx+c=0 correspond to the x-intercepts of the graph. The U shaped graph shown below has two x intercepts. When y=0, the value(s) of x will be the solution to the equation. Since y=0 these are called the zeros of the function.