Solving Systems of Equations Word Problems Objective: To solve word problems involving systems of equations. To set up a system of equations from word.

Slides:

Advertisements

Similar presentations

Algebra Mt. Rainer Get ready for a “Small Quiz” to be written on your grade sheet.

Advertisements

Solving Equations = 4x – 5(6x – 10) -132 = 4x – 30x = -26x = -26x 7 = x.

Chapter 6 Test Review Algebra 1: 2/13/2013.

REVIEW for TEST Parallel and Perpendicular Solving Systems of Equations.

1.4: Rewrite Formulas & Equations

Geometry Formulas Section Formulas  Perimeter of a Triangle:  Area of a rectangle:  Volume of a box:

Click to Begin Click to Begin. Solving Two Step Two Step Equations Using Formulas Using Formulas Simplifying Algebraic Expressions Solving One Step One.

7.1 Ratio and Proportion Textbook page 357.

3.5 – Solving Systems of Equations in Three Variables.

I can solve for a specific unknown variable.

Chapter 2 Sections 5-6 Problem Solving and Formulas.

Section 3.7 Cost, Income and Value Problems. Example 1 Tickets for the senior class pay cost $6 for adults and $3 for students. A total of 846 tickets.

CHAPTER 5 TEST REVIEW SHOW ME THE MONEY!. QUESTION #1 Find the perimeter and area of the figure. 18ft 36ft 18ft 9ft A. 324ft², 72ft B. 162ft², 72ft C.

Solving systems of equations with 2 variables

Rectangles. Rectangles and Algebra To solve questions involving geometric shapes first draw a picture use formulas or common sense. A rectangle's perimeter.

Lesson 5-8: Problem Solving

Distribute and Combine Like Terms Applications. What is the area of the following shape? 5 2x-3 1.

Lesson 5.6-Number Problems Obj: To solve # word problems.

Warm Up The length of a rectangle is 3 inches more than 3 times the width. If the perimeter of the rectangle is 46 inches, find the dimensions of the rectangle.

The length of a rectangle is 6 in. more than its width. The perimeter of the rectangle is 24 in. What is the length of the rectangle? What we know: Length.

4.2B Word Problems - Solving Linear System by Substitution.

Geometry Formulas Section Formulas  Perimeter of a Triangle:  Area of a rectangle:  Volume of a box:

4.8 Polynomial Word Problems. a) Define the variable, b) Write the equation, and c) Solve the problem. 1) The sum of a number and its square is 42. Find.

Making Equations (2) Algebra 5 x + 7 Area = 53cm 2 The area of a rectangle. In each of the examples below, the area of the rectangle is given. Make an.

System of Equations Substitution Method Day 1 Today’s Objective: I can solve a system using substitution.

4.5 Writing a Function Rule I can write equations that represent functions.

Intro to Exponents Assignment

Chapter 3 – Solving Linear Equations 3.7 – Formulas and Functions.

PERIMETER AND SOLUTION PROBLEMS ASSIGNMENT. 1. What is the perimeter of the below shape? 10 – 5n 12n+2 15n - 5.

Solve the following word problem. Manny is two years older Enrique. The sum of the their ages is 40. How old is Manny and Enrique? Let: m = Manny’s age.

Unit 3 WORD PROBLEMS WITH LINEAR SYSTEMS. TWO IMPORTANT QUESTIONS 1.What are my two variables? 2.How are they related?

6.9 Using Equations That Factor Standard 10.0, 14.0Standard 10.0, 14.0 Two Key TermsTwo Key Terms.

Today’s Activity Solving Multi-Step Equations. Instructions You should have a baggie of colored strips. Using the strips provided, have each person of.

① 5(x – 7) = 25 ② -8 – 3y + 9y = 10 ③ 8x – 6 = 5(x + 6) ④ What percent is 16 of 50? ⑤ 24 is 26% of what number?

161 gift wrap 44 greeting cards 15 Nickels Not a Function.

Lesson 3-7 Pages Using Formulas. What you will learn! 1. How to solve problems by using formulas. 2. How to solve problems involving the perimeters.

PERIMETERS What is the Perimeter of a shape. What is the Perimeter of this rectangle? What is the Perimeter of this rectangle? 5cm 15cm.

Lesson 91 Warm Up Pg. 474.

Solve the following word problem.

Equations with Perimeter and Area

simplify radical expressions involving addition and subtraction.

System of Equations Substitution Method Day 1

Warm Up Solve each equation. 1. y – 4 = 3x – 8, for x

CHAPTER 3 SECTION 7.

7.1 Ratio and Proportions Pg 356

Perimeter and Area Word Problems (Using One Variable) Taught by the Bestest of all the besterest who are not bestless, Mr. Peter Richard.

Obj: to use ratios to solve problems

Warm Up 5x + 12 = -13 -x – 4 = 9 The junior class is selling granola bars to raise money. They purchased 1250 granola bars and paid a delivery fee of.

Title: More Equation Practice!

Use the substitution method to find all solutions of the system of equations {image} Choose the answer from the following: (10, 2) (2, 10) (5, - 2) ( -

In all things of nature there is something of the marvelous.

Linear Systems and Problem Solving

8.4 Using Systems Objective:

Quadratic Applications

Rewrite Equations and Formulas

Warm-up: Factor 3x x - 14 a = 3 b = c = -14 Use the X-box: x 7 a·c 3x2

Warm-up 1. 9 – x = –

Review 6-4 & 6-5 FACTORING LONG DIVISION SYNTHETIC DIVISION.

To solve more complicated equations that have variables on both sides.

one of the equations for one of its variables Example: -x + y = 1

Adding and Subtracting Radicals

Algebra 1 Section 2.8.

Goal: The learner will find area and perimeter.

Warm up Three consecutive even integers add up to 228. What are the three numbers? A rectangle has a width that is 4 more than its length. If the perimeter.

Algebra 1 Section 4.3.

Algebra 1 Section 7.2.

Translating Problems into Equations

3rd Grade Math Module 7 Lesson 29

Area = l(w) 38 = 2(3x + 4) 38 = 6x = 6x = x CHECK: 38 = 2(3(5) + 4) 38 = 2(15 + 4) 38 = 2(19) 38 = 38 √

Presentation transcript:

Solving Systems of Equations Word Problems Objective: To solve word problems involving systems of equations. To set up a system of equations from word problems.

Steps 1.Identify and label your variables. 2.Translate the word problem. 3.Set up system of equations. 4.Determine which method to use. 5.Solve the system of equations

Example #1 A snack bar sells two sizes of snack packs. A large snack pack is $5, and a small snack pack is $3. In one day, the snack bar sold 60 snack packs for a total of $220. How many small snack packs did the snack bar sell?

Example #2 The fifth-grade teachers took their classes on a field trip to a museum. The first group had 25 students and two teachers and cost $ The second group had 32 students and three teachers and cost $127. What is the cost per student and per teacher?

Example #3 If the width of the rectangle is three times the length and the perimeter of the rectangle is 72 ft, what are the length and width of the rectangle?

Classwork / Homework *** Last Grade of the Marking Period*** OMIT #2 and #7 Complete the rest. This assignment is worth (20 points).