Presentation is loading. Please wait.

Presentation is loading. Please wait.

Solving Worded Problems QUADRATIC EQUATIONS 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for.

Published byMerilyn Gilmore Modified over 9 years ago

Similar presentations

Presentation on theme: "Solving Worded Problems QUADRATIC EQUATIONS 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for."— Presentation transcript:

1 Solving Worded Problems QUADRATIC EQUATIONS 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

2  By solving a quadratic equation find two numbers that have a sum of 9 and a product of 20  Define Unknowns Let 1 st # = Let 2 nd # = (use sum) =  Make Connection product = 20 1 st # x 2 nd # = 20 NUMBERS 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

3  By solving a quadratic equation find two numbers whose difference is 5 and whose product is 36  Define Unknowns Let 1 st # = Let 2 nd # = (use difference) =  Make Connection use product = 36 1 st # x 2 nd # = 36 NUMBERS 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

4  NUMBERS 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

5  The sum of a number and the reciprocal of two more than the number is 4. Find the number.  Define Unknowns Let 1 st # = Let 2 nd # = (reciprocal of two more than 1st) =  Make Connection use sum = 4 1 st # + 2 nd # = 4 NUMBERS 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

6  NUMBERS 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

7  AREA 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

8  AREA 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

9  AREA 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

10  AREA 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

11  AREA 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

12  AREA 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

13  AREA 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

14  MONEY 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

15  MONEY 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

16  SPEED 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

17  SPEED 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation DistSpeedTime Home to Offc Return

18  SPEED 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation DistSpeedTime Liner Jet

19  SPEED 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation DistSpeedTime

20  Miami and Pittsburgh are 1000 miles apart. A plane flew into a 50-mph headwind from Miami to Pittsburgh. On the return flight the 50-mph wind became a tailwind. The plane was in the air a total of 4 ½ hours for the round trip. What would have been the plane’s average speed without the wind?  Define Unknowns  Make Connection Use: Total Time = 4 ½ hrs (check units) SPEED 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation DistSpeedTime

21  TRIGONOMETRY 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

22  TRIGONOMETRY 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

23 To be added  Define Unknowns  Make Connection Use: TRIGONOMETRY 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

24 To be added  Define Unknowns  Make Connection Use: SIMILAR SHAPES 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

25  To be added  Define Unknowns  Make Connection Use: SIMILAR SHAPES 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

26  To be added  Define Unknowns  Make Connection Use: SIMILAR SHAPES 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation

Download ppt "Solving Worded Problems QUADRATIC EQUATIONS 1.Write expressions for unknowns. 2.Connect exprssns to form an eqn 3.Solve equation 1.Write expressions for."

Similar presentations

Distance-Rate-Time Applications Example 1: Amy rides her bike to work in 30 minutes. On the way home she catches a ride with a friend and arrives home.

Distance-Rate-Time Applications Example 1: Amy rides her bike to work in 30 minutes. On the way home she catches a ride with a friend and arrives home.
Systems of Linear Equations

Systems of Linear Equations
Chapter 2: Equations and Inequalities 2.3: Applications of Equations

Chapter 2: Equations and Inequalities 2.3: Applications of Equations
OBJECTIVE: SOLVE WORD PROBLEMS INVOLVING UNIFORM MOTION Motion in Opposite Directions.

OBJECTIVE: SOLVE WORD PROBLEMS INVOLVING UNIFORM MOTION Motion in Opposite Directions.
Section 7.4: Applications with Linear Systems. A hardware store orders a shipment of two types of hammers for $168. One type of hammer costs $3; the other.

Section 7.4: Applications with Linear Systems. A hardware store orders a shipment of two types of hammers for $168. One type of hammer costs $3; the other.
Wind and Current Word Problems

Wind and Current Word Problems
Concepts 1, 4, 5. 3.4.1 Involving Cost  John and Amy bought school supplies. John spent $10.65 on 4 notebooks and 5 pens. Amy spent $7.50 on 3 notebooks.

Concepts 1, 4, Involving Cost  John and Amy bought school supplies. John spent $10.65 on 4 notebooks and 5 pens. Amy spent $7.50 on 3 notebooks.
Solve Rational Expressions

Solve Rational Expressions
SOLVING WORD PROBLEMS LESSON 3.

SOLVING WORD PROBLEMS LESSON 3.
Section 7-4: Applications of Linear Systems

Section 7-4: Applications of Linear Systems
Solving Two-Variable Systems of Linear Equations

Solving Two-Variable Systems of Linear Equations
Chapter 7 Section 7.

Chapter 7 Section 7.
Solving Systems of Linear Equations Digital Lesson.

Solving Systems of Linear Equations Digital Lesson.
Consecutive Integers Linear Problems Objective: Students will be able to solve consecutive integers problems.

Consecutive Integers Linear Problems Objective: Students will be able to solve consecutive integers problems.
When solving an application that involves two unknowns, sometimes it is convenient to use a system of linear equations in two variables.

When solving an application that involves two unknowns, sometimes it is convenient to use a system of linear equations in two variables.
Notes Over 5.4 Imaginary Numbers.

Notes Over 5.4 Imaginary Numbers.
EXAMPLE 1 Use a formula High-speed Train The Acela train travels between Boston and Washington, a distance of 457 miles. The trip takes 6.5 hours. What.

EXAMPLE 1 Use a formula High-speed Train The Acela train travels between Boston and Washington, a distance of 457 miles. The trip takes 6.5 hours. What.
EXAMPLE 1 Use a formula High-speed Train The Acela train travels between Boston and Washington, a distance of 457 miles. The trip takes 6.5 hours. What.

EXAMPLE 1 Use a formula High-speed Train The Acela train travels between Boston and Washington, a distance of 457 miles. The trip takes 6.5 hours. What.
Applications for Systems of Equations Algebra I. Example #1  Flying to Ankara with a tailwind a plane averaged 368 mph. On the return trip the plane.

Applications for Systems of Equations Algebra I. Example #1  Flying to Ankara with a tailwind a plane averaged 368 mph. On the return trip the plane.
Quiz Thursday (Algebra range – pages 158-197 excluding 182-183 and starred problems)

Quiz Thursday (Algebra range – pages excluding and starred problems)

Similar presentations

Ads by Google