Problem of the Day Solve the following system any way: 6x + y = -39 3x + 2y = -15.

Slides:



Advertisements
Similar presentations
Substitution: Real- World Problems. Learning Target I CAN solve real- world problems leading to systems of linear equations.
Advertisements

Problem of the Week! Max was in charge of getting the equipment for the 14 people on his baseball team. He made sure he had 8 bats and 38 baseballs. He.
Solving systems of equations with 2 variables Word problems (Number Problems)
Solving Equations = 4x – 5(6x – 10) -132 = 4x – 30x = -26x = -26x 7 = x.
7.4 HW Answers (4, -1) (5, 3) (-½, -2) (9, -3) (-10, -5) (19, 16) (5, 6) (-7, -12) (2, 1) (4, 4)
Chapter 6 Test Review Algebra 1: 2/13/2013.
Solve the following two variable system by hand. Classify the system.
Ch 5.5 System Word Problems
Purpose: To Solve Word Problems using two variables instead of one. Homework: p ALL.
Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the test. How many of each.
Using Systems to Solve Word Problems
Solve by graphing: y = -7x + 2 x + 4y = 8 (0,2). Objective: To use the substitution method to solve systems of linear equations.
Applications of Geometry Example 1: The perimeter of a rectangular play area is 336 feet. The length is 12 feet more than the width. Determine the dimensions.
WARM - UP. SOLVING EXPONENTIAL & LOGARITHMIC FUNCTIONS SECTION 3.4.
Solving Systems of Linear Equations By Elimination
5-5B Linear Systems and Problems Solving Algebra 1 Glencoe McGraw-HillLinda Stamper.
Do Now Solve each system using Elimination. 2x + 3y = 8 x – y = 2
Warm Up I can solve systems of equations by substitution.
Word Problems & Systems of Equations
3.5 – Solving Systems of Equations in Three Variables.
C = 5d + 2 2c + d = 4 Do Now. Homework Solutions 4)5x – 3y = – 4 15x – 9y = – 12 3x + 2y = 9 – 15x + 10y = 45 – 19y = – 57 y = 3 3x + 2y = 9 3x + 2(3)
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 3 – Systems of Linear Equations – Solving Systems of Equations Word Problems.
Notes Over 7.2 The Substitution Method Use the substitution method to solve the linear system. Solve for x Substitute in for x.
 Solve by substitution: 1. y = 2x+3 y = 4x+5 2. A tow company charges $2 per mile plus a fee of $20. Another company charges $5 per mile plus a $10 fee.
Equations with Many Solutions or No Solution
Do Now Two hamburgers and three cokes cost $ Four hamburgers and four cokes cost $ Find the cost of one hamburger and one coke.
Solving Equations Review Solve each equation. Then CHECK!!! 1.) 2.) 3.) 4.)
Welcome to... A Game of X’s and O’s. An Presentation 2013 Midterm Exam Review.
Warm–up #1. Warm–up #1 Solutions Isolate Abs Val Check in original!! NOT a soln!
4.2B Word Problems - Solving Linear System by Substitution.
Translating Problems into Equations & A Problem Solving Plan.
ALGEBRA – LESSON 89 Value Problems Be ready to grade the homework!
Warm–up #9. Solve by Factoring 2 #s that mult to 56 –15 & add to –8 –7 set each factor = 0 Common factor first Make = 0!!!
Solving Word Problems Using Linear Systems
Warmup Your friend’s pay is twice the sum of your brother’s pay, which is $7.25/hr, and your pay. If your friend makes $32.65/hr, how much do you make?
MULTIPLICATION PRACTICE. Solve by estimation. 548 X 72.
The Substitution Method Objectives: To solve a system of equations by substituting for a variable.
Warm-Up 1) Determine whether (-1,7) is a solution of the system. 4 minutes 3x – y = -10 2) Solve for x where 5x + 3(2x – 1) = 5. -x + y = 8.
Notes 6.5, Date__________ (Substitution). To solve using Substitution: 1.Solve one equation for one variable (choose the variable with a coefficient of.
1.3. ABSOLUTE VALUE EQUATIONS DAY TWO College Algebra.
1.6 Translating Problems into Equations Objective: To translate simple word problems into equations. Warm – up: – A season ticket good for 39 basketball.
You Will Be Able To: Write and Solve Systems Word Problems.
Objectives: 1.Be able to write equations of application problems. 2.Be able to solve applications using substitution or elimination. Critical Vocabulary:
3.4 Using Equations to Solve Problems Objective: To use the five-step plan to solve word problems. Warm – up: State three consecutive integers. State three.
6.3 Solving Systems of Linear Equations by the Addition Method
2.3 Solving Multi-Step Equations
Solving Systems Using Word Problems
# of hot dogs Money from hot dogs # of drinks Money from drinks
Warm Up: SIMPLIFY.
Systems of Equations.
Two-Step Equations LAM 1 – 9/5/2017.
Equations and Problem Solving
Consecutive Integers: Numbers are one apart
Solving Systems Using Elimination
5.2 Solve by Substitution.
ALGEBRA I - SECTION 2-3 (Solving Multi-Step Equations)
7.2 Solving Systems of Equations by Substitution
SOLVING MULTI-STEP EQUATIONS
Solving Equations with Variables on Both Sides
Solving Equations with Variables on Both Sides
TWO STEP EQUATIONS 1. SOLVE FOR X 2. DO THE ADDITION STEP FIRST
8.2 Solving by Substitution
Lesson Quizzes Standard Lesson Quiz
Addition Strategies MAFS.3.NBT.1.2.
Linear Programming Mr. Carpenter Alg. 2.
6-3 Solving Systems Using Elimination (Combination)
Addition Strategies MAFS.3.NBT.1.2.
Adding & Subtracting Polynomials
4 minutes Warm-Up 1) Determine whether (-1,7) is a solution of the system. 3x – y = -10 -x + y = 8 2) Solve for x where 5x + 3(2x – 1) = 5.
Presentation transcript:

Problem of the Day Solve the following system any way: 6x + y = -39 3x + 2y = -15

Tickets for a high school dance could be purchased in advance or at the door. 100 tickets were sold for the dance. They cost $10 in advance and $15 at the door. If $1200 worth of tickets were sold, how many tickets were sold at the door? Choose the variables: Write the equations: State the answers: a = advance d = door a + d = a + 15d = 1200

A baseball Manager bought 4 bats and 9 gloves for $ On another day, he bought 3 bats and 12 gloves for $ How much did he pay for each bat and glove? Choose the variables: State the answers: Write the equations: b = bat g = glove 4b + 9g = b + 12g = 81

Word Problems with Systems The sum of two numbers is 74. The larger number is 4 more than the smaller number. Find the numbers Choose the variables: State the answers: Write the equations:

Adult tickets for a school play cost $5 each and student tickets cost $3 each. A total of $1650 was raised. If twice as many student tickets were sold compared to adult tickets, how many tickets were sold? Choose the variables: State the answers: Write the equations:

Exit Ticket The local preschool ordered all new bicycles and tricycles for the new school year. Each bicycle and tricycle is shipped in its own box. Oddly, the manufacturer shipped all the wheels in a separate box. If there are 16 boxes of bicycles/tricycles total, and 45 wheels total, how many tricycles were ordered?