Lesson 8-2 Problem Solving Objectives Students will: Solve problems by translating to quadratic...

4
Lesson 8-2 Problem Solving Objectives Students will: Solve problems by translating to quadratic equations Write an equation(s) for the situation and solve.

description

Example 2 A ladder is 2 feet taller than a wall. When placed at the top of the wall, the base of the ladder is equal to the height of the wall. What is approximate height of the wall in feet rounded to the nearest hundredth? Now complete the square!!

Transcript of Lesson 8-2 Problem Solving Objectives Students will: Solve problems by translating to quadratic...

Page 1: Lesson 8-2 Problem Solving Objectives Students will: Solve problems by translating to quadratic equations Write an equation(s) for the situation and solve.

Lesson 8-2Problem Solving

ObjectivesStudents will:Solve problems by translating to quadratic equations

Write an equation(s) for the situation and solve.

Page 2: Lesson 8-2 Problem Solving Objectives Students will: Solve problems by translating to quadratic equations Write an equation(s) for the situation and solve.

Example 1

A 400 square feet plot is to be fenced. The perimeter is 100 feet. What are the dimensions of the plot?

l

w400

10022

lw

wl

wl 400

10024002 ww

ww 1002800 2 0)40050(2 2 xw0)40)(10( ww

4010 andwwThe dimensions are 10 ft by 40ft

Page 3: Lesson 8-2 Problem Solving Objectives Students will: Solve problems by translating to quadratic equations Write an equation(s) for the situation and solve.

Example 2

A ladder is 2 feet taller than a wall. When placed at the top of the wall, the base of the ladder is equal to the height of the wall. What is approximate height of the wall in feet rounded to the nearest hundredth?

h

h

2h

222)2( hhh 22 244 hhh

440 2 hh

Now complete the square!!

Page 4: Lesson 8-2 Problem Solving Objectives Students will: Solve problems by translating to quadratic equations Write an equation(s) for the situation and solve.

Assignment

8-2/349/1-12,17-21 odd


Quadratic Functions and Equations - Weeblychesshir.weebly.com/uploads/8/6/7/9/86790154/0.3...Quadratic Functions and Equations-Objective tGraph quadratic functions. | Solve quadratic

Quadratic Functions and Equations - Weeblychesshir.weebly.com/uploads/8/6/7/9/86790154/0.3...Quadratic Functions and Equations-Objective tGraph quadratic functions. | Solve quadratic

Chapter 7: Quadratic Equations · PDF fileChapter 7: Quadratic Equations Solve quadratic equations using graphing, factoring, quadratic formula or square root method Solve word problems

Chapter 7: Quadratic Equations · PDF fileChapter 7: Quadratic Equations Solve quadratic equations using graphing, factoring, quadratic formula or square root method Solve word problems

Completing the Square. The Quadratic Formula and the Discriminant. What you’ll learn To solve quadratic equations by completing the square. To solve quadratic.

Completing the Square. The Quadratic Formula and the Discriminant. What you’ll learn To solve quadratic equations by completing the square. To solve quadratic.

3 Quadratic Equations and Complex Numbers · Solve quadratic equations by graphing. Solve quadratic equations algebraically. Solve real-life problems. Solving Quadratic Equations

3 Quadratic Equations and Complex Numbers · Solve quadratic equations by graphing. Solve quadratic equations algebraically. Solve real-life problems. Solving Quadratic Equations

THE QUADRATIC FORMULA §5.8. VIDEO TIME! Quadratic Forumlatic Quadratic Cups Song Quad Solve.

THE QUADRATIC FORMULA §5.8. VIDEO TIME! Quadratic Forumlatic Quadratic Cups Song Quad Solve.

6.5 Solve Problems Using Quadratic Equations

6.5 Solve Problems Using Quadratic Equations

Module 1.2: Using the Quadratic Formula to Solve Quadratic · PDF file · 2017-11-24Module 1.2 Page 103 of 1390. Module 1.2: Using the Quadratic Formula to Solve Quadratic Equations

Module 1.2: Using the Quadratic Formula to Solve Quadratic · PDF file · 2017-11-24Module 1.2 Page 103 of 1390. Module 1.2: Using the Quadratic Formula to Solve Quadratic Equations

4. QUADRATIC EQUATIONS - deepak sir€¦ · Quadratic equations can be applied to solve word problems involving various situations. To solve problems leading to quadratic equations,

4. QUADRATIC EQUATIONS - deepak sir€¦ · Quadratic equations can be applied to solve word problems involving various situations. To solve problems leading to quadratic equations,

Entry Task. Solving Quadratic Equations by the Quadratic Formula Learning Target: I can use the quadratic formula to solve a quadratic equation.

Entry Task. Solving Quadratic Equations by the Quadratic Formula Learning Target: I can use the quadratic formula to solve a quadratic equation.

3.5 Quadratic Equations OBJ:To solve a quadratic equation by factoring.

3.5 Quadratic Equations OBJ:To solve a quadratic equation by factoring.

Chapter 2 2-4 completing the square. objectives *Solve quadratic equations by using the square property * Solve quadratic equations by completing.

Chapter 2 2-4 completing the square. objectives *Solve quadratic equations by using the square property * Solve quadratic equations by completing.

Quadratic Equations and Applications Objective: To use different methods to solve quadratic equations.

Quadratic Equations and Applications Objective: To use different methods to solve quadratic equations.

QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.6 Completing the Square EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY COMPLETING THE SQUARE? I WILL SOLVE QUADRATIC.

QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.6 Completing the Square EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY COMPLETING THE SQUARE? I WILL SOLVE QUADRATIC.

Quadratic Equations - intranet.cesc.vic.edu.au Maths... · Topic 8 - Using quadratic equations to solve problems Chapter 2: Quadratic equations 17 Quadratic equations UNIT 8: Using

Quadratic Equations - intranet.cesc.vic.edu.au Maths... · Topic 8 - Using quadratic equations to solve problems Chapter 2: Quadratic equations 17 Quadratic equations UNIT 8: Using

Graph quadratic equations. Complete the square to graph quadratic equations. Use the Vertex Formula to graph quadratic equations. Solve a Quadratic Equation.

Graph quadratic equations. Complete the square to graph quadratic equations. Use the Vertex Formula to graph quadratic equations. Solve a Quadratic Equation.

Solving Quadratic Inequalities October 9, 2015 SWBAT: Solve Quadratic Inequalities.

Solving Quadratic Inequalities October 9, 2015 SWBAT: Solve Quadratic Inequalities.

3.3 Holt McDougal Algebra 2 Solve quadratic equations by graphing or factoring. Determine a quadratic function from its roots. Objectives 3.3 Solve Quadratic.

3.3 Holt McDougal Algebra 2 Solve quadratic equations by graphing or factoring. Determine a quadratic function from its roots. Objectives 3.3 Solve Quadratic.

8-5 Solving Quadratic Equations by Graphing · Solving Quadratic Equations by Graphing Objective Solve quadratic equations by graphing. Vocabulary quadratic equation Every quadratic

8-5 Solving Quadratic Equations by Graphing · Solving Quadratic Equations by Graphing Objective Solve quadratic equations by graphing. Vocabulary quadratic equation Every quadratic

Holt Algebra 2 5-7 Solving Quadratic Inequalities Solve quadratic inequalities by using tables and graphs. Solve quadratic inequalities by using algebra.

Holt Algebra 2 5-7 Solving Quadratic Inequalities Solve quadratic inequalities by using tables and graphs. Solve quadratic inequalities by using algebra.

Solving Quadratic Equations Using the Quadratic Formula 11.2 1.Solve quadratic equations using the quadratic formula. 2.Use the discriminant to determine.

Solving Quadratic Equations Using the Quadratic Formula 11.2 1.Solve quadratic equations using the quadratic formula. 2.Use the discriminant to determine.