Warm ups What is the quadratic formula?

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Presentation transcript:

Warm ups What is the quadratic formula? Solve using the quadratic formula

Homework Questions?

9-6 Quadratic Formula Objective: To use the quadratic formula to solve a quadratic equation. Standard 19.0

x = -b ± √ (b2 - 4ac ) 2a Story Reminder…. A negative Boy YOU MUST MEMORIZE THIS!!! Story Reminder…. -b ± √ (b2 - 4ac ) x = 2a A negative Boy couldn’t decide whether or not to go to a radical party. The Boy was square so he couldn’t get four Awesome Chicks. It was all over at 2 am.

Song Practice  Practice 5x together…

Multiply through by 4 to get rid of the fractions! Example 1 Multiply through by 4 to get rid of the fractions! a = 8 b = -5 c = -2

Problem 2

Problem 3

Homework Pg. 586 # 7 – 21 odd, 44 Quiz tomorrow!