Please select a Team. Team 1 Team 2 Team 3 Team 4 Team 5.

Slides:



Advertisements
Similar presentations
FactoringComplete the Square Quadratic Formula GraphingRoots $ 100 $ 200 $ 300 $ 400 End.
Advertisements

Warm Up Simplify
Many quadratic equations can not be solved by factoring. Other techniques are required to solve them. 7.1 – Completing the Square x 2 = 20 5x =
7.1 – Completing the Square
Algebra I Concept Test # 15 – Solving Quadratic Equations by Factoring Practice Test 1.a) Factor: x x + 25 = 0 * Identify a, b and c a = 1, b =
Goals: To solve quadratic equations by using the Quadratic Formula.
Solving Quadratic Equations by Factoring. Solution by factoring Example 1 Find the roots of each quadratic by factoring. factoring a) x² − 3x + 2 b) x².
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)
Finding and Estimating Square Roots
Warm-up Find the missing term to make the following a perfect square trinomial. Why do you think this is called Complete the Square?
Completing the Square 4-6 Day 1 Today’s Objective: I can use the process of completing the square to solve or rewrite a quadratic equation.
Solving Quadratic Equations – Part 1 Methods for solving quadratic equations : 1. Taking the square root of both sides ( simple equations ) 2. Factoring.
Section 10-7 & 8 Quadratic Formula and Discriminant SPI 23E: Find the solution to a quadratic equation given in standard form SPI 23H: select the discriminant.
Chapter 10.7 Notes: Solve Quadratic Equations by the Quadratic Formula Goal: You will solve quadratic equations by using the Quadratic Formula.
Solve each quadratic equation by factoring. 1. x2 + 8x + 16 = 0 2. x2 – 22x = 0 3. x2 – 12x + 36 = 0.
CONFIDENTIAL 1 Completing the Square Completing the Square.
Section 5Chapter 6. 1 Copyright © 2012, 2008, 2004 Pearson Education, Inc. Objectives 2 3 Solving Equations by Factoring Learn and use the zero-factor.
Solve by factoring. x² = - 4 – 5x 2,. Solve by factoring. n² = -30 – 11n -4 and -1.
Quadratic Solutions The number of real solutions is at most two. No solutionsOne solutionTwo solutions The solutions are located on the x axis, or the.
Section 10.6 Solve Any Quadratic Equation by using the Quadratic Formula.
Notes Over 5.6 Quadratic Formula
Section 1.3 Quadratic Equations 1. 2 OBJECTIVE 1 3.
Bonus! Multiplying Binomials Factoring Solving By Factoring.
Algebra 2 Notes March 23, Do you remember the Quadratic Formula? - Work with the people around you. Brainstorm and try and remember the quadratic.
Section 7.2 Solving Quadratic Equations by Completing the Square.
Solving Quadratics Algebra 2 Chapter 3 Algebra 2 Chapter 3.
Notes Over 10.7 Factoring Special Products Difference of Two Squares.
Standard 8 Solve a quadratic equation Solve 6(x – 4) 2 = 42. Round the solutions to the nearest hundredth. 6(x – 4) 2 = 42 Write original equation. (x.
ALGEBRA 1 Lesson 9-7 Warm-Up. ALGEBRA 1 “Using the Quadratic Formula” (9-7) What is the “quadratic formula”? When and how do you use the quadratic formula?
 Given a quadratic equation in standard form, the value of x can be found by using the quadratic formula:
Solve Quadratic Equations by Completing the Square
The Quadratic Formula Quadratic Equation Quadratic Formula.
Complete the square to form a perfect square trinomial. 1. x x + 2. x 2 – 18x + Solve by completing the square. 3. x 2 – 2x – 1 = x 2 + 6x.
1.2 Quadratic Equations. Quadratic Equation A quadratic equation is an equation equivalent to one of the form ax² + bx + c = 0 where a, b, and c are real.
Lesson 9.5 Objective: To solve quadratic equations using the quadratic formula. Quadratic formula: When Then the value of x is… What formula can be used.
Factoring to Solve Quadratic Equations – Solving Quadratic Equations by Factoring A quadratic equation is written in the Standard Form, where a,
Warm Ups Term 2 Week 6.
Equations Quadratic in form factorable equations
A B C D Solve x2 + 8x + 16 = 16 by completing the square. –8, 0
Solving Quadratic Equations by Completing the Square
Warm Up(Add to HW) Find each square root. Solve each equation.
Solving Quadratic Equations by the Complete the Square Method
Algebra 2 Test 1 Review Trivia
Warm Up Find the x-intercept of each function. 1. f(x) = –3x + 9
Warm-Up.
Chapter 9 Section 2.
Unit 6 Part 2 Test Review Algebra 1.
Using the Quadratic Formula
Section 1.5 Quadratic Equations
Completing the Square CA 14.0, 23.0.
Algebra 1 Section 12.5.
The Quadratic Formula.
10.7 Solving Quadratic Equations by Completing the Square
9.3 Solve Using Square Roots
Review.
3.4 Solving Simple Quadratic Equations, Completing the Square, and Solving Equations using Completing the Square.
The Quadratic Formula CA 19.0, 20.0.
Objective - To solve quadratic equations by completing the square.
Objective Solve quadratic equations by using square roots.
Quadratic Equations.
 
Taking the Square Root of Both Sides (3.2.1)
Use the discriminant to find the number of solutions
Chapter 9 Section 2.
Bellwork: 2/27/18 Solve each quadratic equation by factoring.
Review.
1. A person throws a baseball into the air with an initial vertical velocity of 30 feet per second and then lets the ball hits the ground. The ball is.
Equations Quadratic in form factorable equations
Solving Quadratic Equations by
Unit 1 Review.
Presentation transcript:

Please select a Team. Team 1 Team 2 Team 3 Team 4 Team 5

Solve using square roots.

Solve using square roots.

A sports recreation company plans to manufacture a beach ball with a surface area of 7238 in.2 Find the radius of the beach ball. Use the formula , where A is the surface area and r is the radius of the sphere. 24 in. 48 in. 75 in. 576 in.

Team Scores Team 1 Team 2 Team 3 Team 4 Team 5

Picture Solve the equation by factoring. z = 3 or z = 9

Solve by factoring z = 1 or z = -2 z = 1 or z = 2 z = 3 or z = 9

Solve by factoring c = 0 or c = -4 c = 0 or c = 2 c = 0 or c = 4

Team Scores Team 1 Team 2 Team 3 Team 4 Team 5

Factor to solve

Factor to solve.

The area of a playground is 336 yd2 The area of a playground is 336 yd2. The width of the playground is 5 yd longer than its length. Find the length and width of the playground. length = 26 yd, width = 21 yd length = 21 yd, width = 26 yd length = 21 yd, width = 16 yd length = 16 yd, width = 21 yd

Team Scores Team 1 Team 2 Team 3 Team 4 Team 5

Find the number of real number solutions for the equation. Picture Find the number of real number solutions for the equation. 2 1

Find the value of n to make the quadratic a perfect square trinomial.

Solve the equation using the method of your choice. Picture 14, 4 –4, –14 14, –14 –4, 4

Team Scores Team 1 Team 2 Team 3 Team 4 Team 5

Find the missing value to complete the square. 2 1 4 8

Complete the Square

Complete the Square

Team Scores Team 1 Team 2 Team 3 Team 4 Team 5

Complete the square

Use the Quadratic formula to solve

Hey, use the quadratic formula again!

Team Scores Team 1 Team 2 Team 3 Team 4 Team 5

Last Quadratic Formula Question

Solve the quadratic equation by completing the square. Picture 18, 28 –9, –14 9, 14 –18, 28

A rocket is launched from atop a 101-foot cliff with an initial velocity of 116 ft/s. a. Substitute the values into the vertical motion formula . Let h = 0. b. Use the quadratic formula find out how long the rocket will take to hit the ground after it is launched. Round to the nearest tenth of a second.

Solve the cubic equation by factoring

Final Scores Team 1 Team 2 Team 3 Team 4 Team 5