10.6 Whiteboard Review Solving Quadratic Practice FACTOR or use the QUAD FORM?!

Slides:

Advertisements

Similar presentations

Warm up – Solve by Taking Roots. Skills Check – Solve by Taking Roots.

Advertisements

Section 9-9: The Quadratic Formula & The Discriminant Pg.652.

4.8 Quadratic Formula and Discriminant

Solving Absolute Value Equations By the end of this lesson you will be able to: Solve absolute value equations analytically. GPS MM2A1c.

The Quadratic Formula and the Discriminant

Solving Quadratic Equations by the Quadratic Formula

4.8: Quadratic Formula HW: worksheet

Sec 5.6 Quadratic Formula & Discriminant Quadratic Formula (Yes, it’s the one with the song!) If ax 2 + bx + c = 0 and a ≠ 0, then the solutions (roots)

Warm up – Solve by Taking Roots. Solving by the Quadratic Formula.

Solving Quadratic Equations – The Discriminant The Discriminant is the expression found under the radical symbol in the quadratic formula. Discriminant.

Goals: To solve quadratic equations by using the Quadratic Formula.

CA STANDARDS 20.0: Students use the quadratic formula to find the roots of a second-degree polynomial and to solve quadratic equations. Agenda 1.) Lesson.

5.6 Quadratic Formula & Discriminant

Using square roots to solve quadratic equations. 2x² = 8 22 x² = 4 The opposite of squaring a number is taking its square root √ 4= ± 2.

Equations Reducible to Quadratic

Solving Quadratic Equations – Part 1 Methods for solving quadratic equations : 1. Taking the square root of both sides ( simple equations ) 2. Factoring.

Essential Question: How do you use the quadratic formula and the discriminant? Students will write a summary including the steps for using the quadratic.

4.8 Quadratic formula and the discriminant 4.8 Warm up.

3.8 Warm Up Write the function in vertex form (by completing the square) and identify the vertex. a. y = x² + 14x + 11 b. y = 2x² + 4x – 5 c. y = x² -

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.

1) What does x have to be for 3x = 0? 1) What does x have to be for 3(x -2) = 0 2) What does x have to be for (x–2) (x+3) = 0.

Discriminant Recall the quadratic formula: x = -b ±√ b2 - 4ac 2a.

Example: 3x 2 + 9x + 6. Solving Quadratic Equations.

UNIT 4, LESSON 5 Absolute Value Equations. Review of Absolute Value ions/absolutevalue/preview.weml

4.8 Do Now: practice of 4.7 The area of a rectangle is 50. If the width is x and the length is x Solve for x by completing the square.

5.6 Quadratic Formula & Discriminant By: L. Keali’i Alicea.

The Quadratic Formula & Discriminant Essential question – How do you solve a quadratic equation using the Quadratic Formula?

1 Algebra 2: Section 5.6 The Quadratic Formula & the Discriminant.

Pre-Calculus Lesson 5: Solving Quadratic Equations Factoring, quadratic formula, and discriminant.

The Quadratic Formula Students will be able to solve quadratic equations by using the quadratic formula.

CPM Section 9.4A Quadratic Formula. Thus far we have considered two methods for solving quadratic function- factoring and using the square root property.

SOLVING QUADRATIC EQUATIONS Factoring Method. Warm Up Factor the following. 1. x 2 – 4x – x 2 + 2x – x 2 -28x + 48.

4.2 Quadratic Functions Objective: Solve quadratic equations. Use the discriminant to describe the roots of a quadratic equation.

2.1 – Linear and Quadratic Equations Linear Equations.

Getting Started The objective is to be able to solve any quadratic equation by using the quadratic formula. Quadratic Equation - An equation in x that.

Notes Over 5.6 Quadratic Formula

Table of Contents Solving Quadratic Equations – The Discriminant The Discriminant is the expression found under the radical symbol in the quadratic formula.

CHAPTER 10 LESSON OBJECTIVES. Objectives 10.1 Students will be able to: Identify quadratic functions and determine whether they have a minimum or maximum.

ANSWERS!. Completing the Square Level 1 Answers Completing the Square Level 2 Answers.

Solving Quadratic Equations. Find the quadratic equation if the solutions are 3 and -2. x = 3 x = -2 Make them equal zero. x – 3 = 0x + 2 = 0 (x – 3)(x.

Factoring & Solving Quadratics Equations Intermediate Algebra Final Exam Review.

Lesson 6.5: The Quadratic Formula and the Discriminant, pg. 313 Goals: To solve quadratic equations by using the Quadratic Formula. To use the discriminant.

9.4 Solving Quadratic Equations Standard Form: How do we solve this for x?

Solving Quadratic Equations Quadratic Formula Medina (Revised 2/26/14 ep)1.

WARM UP What are the solutions of each equation? 1.) x = 4 2.) x = 0 3.) x 2 – 49 = 0.

How do I solve quadratic equations using Quadratic Formula?

The Quadratic Formula and the Discriminant

Lesson 5.6: The Quadratic Formula & the Discriminant

The Quadratic Formula & Discriminant

Warm up – Solve by Taking Roots

Find the number of real solutions for x2 +8x

The Discriminant.

Sullivan Algebra and Trigonometry: Section 1.3

A quadratic equation is written in the Standard Form,

Solving Quadratic Equations by Graphing

4.8 The Quadratic Formula and the Discriminant

Unit 7 Day 4 the Quadratic Formula.

Skills Check ALL Factoring

Warm up – Solve by Completing the Square

Solving Polynomial Inequalities

Solving Quadratic Equations by Factoring

Quadratic Equations.

5.6 Quadratic Formula & Discriminant

Skills Check Solve by Factoring and Square Roots

Lessons The quadratic Formula and the discriminant

Questions over HW?. Skills Check Radical Operations and Solving by Square Roots after HW Check.

Section 4.7 – Quadratic Formula

Using the Quadratic Formula to Solve Quadratic Equations

Presentation transcript:

10.6 Whiteboard Review Solving Quadratic Practice FACTOR or use the QUAD FORM?!

Solve. 2x 2 + 7x = 9

Solve. 2x 2 + 7x = 9

Solve. 2x 2 = 50

Solve. 2x 2 = 50

BRAIN BREAK What is your FAVORITE part about SPRING ?!

Solve. 3x 2 – 1 = x

Solve. 3x 2 – 1 = x

If the discriminant is… POSITIVE, there are ___ solution(s)

If the discriminant is… POSITIVE, there are TWO solution(s)

Solve. x 2 – 8x + 16 = 0

Solve. x 2 – 8x + 16 = 0

BRAIN BREAK

BRAIN BREAK – Split personality

Solve. -2x 2 = -3x + 1

Solve. -2x 2 = -3x + 1

Solve. x 2 = 121

Solve. x 2 = 121

If the discriminant is… NEGATIVE, there are ___ solution(s)

If the discriminant is… NEGATIVE, there are NO solution(s)

BRAIN BREAK

BRAIN BREAK Safety in Numbers

Solve. 2x 2 -4x -30 = 0

Solve. 2x 2 -4x -30 = 0

Solve. 2x 2 +3x -11=0

Solve. 2x 2 +3x -11=0

Solve. x 2 – 9 = 0

Solve. x 2 – 9 = 0

Solve. x 2 – 12x+10 = -10

Solve. x 2 – 12x+10 = -10

If the discriminant is… ZERO, there are ___ solution(s)

If the discriminant is… ZERO, there is ONE solution(s)