Ch. 9 Vocabulary 8.) quadratic equation

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Presentation transcript:

Ch. 9 Vocabulary 8.) quadratic equation 9.) Standard form of a quadratic equation 10.) zero of an equation

9-3 Solving Quadratic Equations Algebra 1

Quadratic Equation Standard form of a quadratic equation a and b are coefficients where a is the leading coefficient. c=constant or number by itself.

Solving by finding sq. roots

Ex. 1 Solve each equation. Ex. Ex. 5

Ex. 2 Solve Ex. Ex. 6

Ex. 3

Assignment

Ex. 3 Use a calculator to evaluate the expression to the nearest hundredth. Ex. Ex. 4