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7-6 USING THE QUADRATIC FORMULA ALGEBRA 1 CP OBJECTIVE: USING THE QUADRATIC FORMULA TO SOLVE QUADRATIC EQUATIONS.
WARM UP Solve 3x 2 = 48.
Solve x 2 + 5x + 6 = 0 by using the quadratic formula.
Solve 2x 2 + 3x - 2 = 0 by using the quadratic formula.
Solve 4x + 2x 2 - 7 = 0 by using the quadratic formula. Round solutions to the nearest hundredth.
Solve 3 - 3x 2 + 4x = 0 by using the quadratic formula. Round solutions to the nearest hundredth.
HOMEWORK Pg 346 – 347 # 7 – 18 even, 20
7-5 solving quadratic equations
Section 9-9: The Quadratic Formula & The Discriminant Pg.652.
EXAMPLE 1 Solve quadratic equations Solve the equation. a. 2x 2 = 8 SOLUTION a. 2x 2 = 8 Write original equation. x 2 = 4 Divide each side by 2. x = ±
Essential Questions: What is the quadratic formula? Why is it useful?
TODAY IN ALGEBRA 2.0… Review: Solving for a given side Learning Target: 13.1 Finding an angle using inverse Trigonometry Independent Practice.
TODAY IN ALGEBRA… Warm up: Find products of special polynomials Learning Target: 9.4 You will solve polynomial equations in factored form Independent.
TODAY IN ALGEBRA… Warm Up: Graphing Linear Equations and solving for y. Learning Goal: 7.1 You will solve systems on linear equations by Graphing
JEOPARDY! Graphing Quadratics Graphing Solving using Square Roots Discriminants GO TO FINAL.
2.13 Warm Up x² - 2x + 15 = 0; 3 x² + 3x – 4 = 0; 1
Unit 2 Solving Polynomials by Taking the Square Root.
Goals: To solve quadratic equations by using the Quadratic Formula.
Unit 5 Algebra Investigations Notes 2.13: Use Square Roots to Solve Quadratic Equations Lesson 3: Solving Polynomials MM1A3a.
2.13 Use Square Roots to Solve Quadratics Example 1 Solve quadratic equations Solution Write original equation. 5 Solve the equation. Add __ to each side.
The Quadratic Formula. What does the Quadratic Formula Do ? The Quadratic formula allows you to find the roots of a quadratic equation (if they exist)
5.5 – The Quadratic formula Objectives: Use the quadratic formula to find real roots of quadratic equations. Use the roots of a quadratic equation to locate.
Do Now : Evaluate when x = 6, y = -2 and z = The Quadratic Formula and the Discriminant Objectives Students will be able to: 1)Solve quadratic.
Warm Up. Solving Quadratic Equations by the Quadratic Formula.
Pg. 97 Homework Pg. 109#24 – 31 (all algebraic), 32 – 35, 54 – 59 #30#31x = -8, 2 #32#33 #34#35 #36#37x = ½, 1 #38#39x = -1, 4 #40#41 #42 x = -3, 8#43y.
Solving Quadratic Equations using the Quadratic Formula
Table of Contents Solving Quadratic Equations – Quadratic Formula The following shows how to solve quadratic equations using the Quadratic Formula. A quadratic.
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