name:__________ warm-up 6-3 use substitution to solve the system of equations. x = –2y x + y = 4...

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Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t = –0.4r + 0.1 4r + 3t = 8

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Page 1: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

Name:__________ warm-up 6-3 Use substitution to solve the system of equations.x = –2yx + y = 4

Use substitution to solve the system of equations.0.3t = –0.4r + 0.14r + 3t = 8

Page 2: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

Use substitution to solve the system of equations.4x – y = 2

The sum of two numbers is 31. The greater number is 5 more than the lesser number. What are the two numbers?

Page 3: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

Details of the DayEQ

How can you find the solution to a math problem?

I will be able to…

Activities:Warm-upCollect projectReview HWNotes: Solving Systems of Equations by EliminationClass work/ HW – pair and share

Vocabulary:• Elimination

• Solve systems of equations by using elimination with adding.

• Solve systems of equations by using elimination with subtraction.

• system of equations

• consistent

• independent

• dependent

• inconsistent

Page 4: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

Solving Systems of Equation by Elimination

Page 5: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

A Quick Review Use substitution to solve the system of equations.x = –2yx + y = 4

Use substitution to solve the system of equations.0.3t = –0.4r + 0.14r + 3t = 8

Page 6: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

A Quick Review Use substitution to solve the system of equations.4x – y = 2

The sum of two numbers is 31. The greater number is 5 more than the lesser number. What are the two numbers?

Page 7: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

A Quick Review Angles A and B are complementary, and the measure of A is 14° less than the measure of B. Find the measures of angles A and B.

Adult tickets to a play cost $5 and student tickets cost $4. On Saturday, the adults that paid accounted for seven more than twice the number of students that paid. The income from ticket sales was $455. How many students paid?

Page 8: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

Notes and examples

Use elimination to solve the system of equations.–3x + 4y = 123x – 6y = 18

Page 9: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

Notes and examplesUse elimination to solve the system of equations.3x – 5y = 12x + 5y = 9

Use elimination to solve the system of equations.4x + 2y = 284x – 3y = 18

Page 10: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

Notes and examplesUse elimination to solve the system of equations.9x – 2y = 30 x – 2y = 14

Page 11: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

Real World ExamplesNATURE CENTER A nature center charges $35.25 for a yearly membership and $6.25 for a single admission. Last week it sold a combined total of 50 yearly memberships and single admissions for $660.50. How many memberships and how many single admissions were sold?

CHEMISTRY Mikhail needs 10 milliliters of 25% HCl (hydrochloric acid) solution for a chemistry experiment. There is a bottle of 10% HCl solution and a bottle of 40% HCl solution in the lab. How much of each solution should he use to obtain the required amount of 25% HCl solution?

Page 12: Name:__________ warm-up 6-3 Use substitution to solve the system of equations. x = –2y x + y = 4 Use substitution to solve the system of equations. 0.3t

Notes and examples

Solving Systems by Graphing or Substitution. Objective: To solve a system of linear equations in two variables by graphing or by substitution

Solve two-step equations Solve equations with variables on both sides

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

solve by substitution

6-2 Substitution Use substitution to solve each system … · Use substitution to solve each system of equations ... Find the slope for the supply and the demand ... Use substitution

5.3 Solving Trigonometric Equations *use standard algebraic techniques to solve trig equations *solve trig equations in quadratic form *solve trig equations

CHAPTER 8 Equations and InequalitiesCHAPTER 8 Equations and Inequalities Lesson 8.1 Solving Algebraic Equations Solve each equation using the substitution method. 1. x 1 8 5 14 2

3.1 Systems of Linear Equations Using graphs and tables to solve systems Using substitution and elimination to solve systems Using systems to model data

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Objective: Solve systems of linear equations by substitution

8.3 Trig Equations - Mrs. Johnstonjohnstonmadison.weebly.com/uploads/5/9/8/1/59818271/8.3... · 2018. 5. 2. · Solve Trig Equations by substitution. Solve Trigonometric Equations

Solving Systems of Equations by Substitution Objectives: Solve Systems of Equations using substitution. Solve Real World problems involving systems of

Lesson 1. Example 1. Use either elimination or the substitution method to solve each system of equations. 3x -2y = 7 2x +5y = 9 A. Using substitution

Essential Questions: When and how do you solve a system of equations using the substitution method? When and how do you solve a system of equations using

Section 7-2 Solve Systems by Substitution SPI 23D: select the system of equations that could be used to solve a given real-world problem Objective: Solve

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Warm Up I can solve systems of equations by substitution

1.5 – Day 1 Equations. 2 Objectives ► Solve Linear Equations ► Solve a Formula for a Given Variable ► Solve Quadratic Equations ► Solve Quadratic-Type

Solve the equations: 1.) 2.) 3.). Solve absolute value equations

2.3 Solve two-step equations You will solve two-step equations Essential question: How do you solve two-step equations?

lsettanni.azschool.orglsettanni.azschool.org/teacher/files/documents/planner sp… · Web viewYou will solve a system of linear equations by substitution. Worksheet. ... Worksheet

2.4 Solve Multi-Step Equations You will solve multi- step equations. How do you solve multi-step equations?

Unit 2: Systems of Equations · 2019-08-09 · Unit 2: Systems of Equations Objectives: Students will be able to . . . 1. Solve systems of equations by graphing, substitution, elimination,

Systems of Linear and Quadratic Equations · PDF fileSystems of Linear and Quadratic Equations Lessons 7-1, 7-2, and 10-4 1. Solve the system using substitution. 2. Solve the system

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Solving Systems of Equations by Substitution or Elimination 60PDF/OneNote … · Solving Systems of Equations by Substitution or Elimination Goal: to solve linear systems of two equations,

Solve equations

6-2 Substitution Use substitution to solve each system of ... · PDF fileUse substitution to solve each system of equations. y = x + 5 3x + y = 25 62/87,21 y = x + 5 3x + y = 25 Substitute

Quiz. Intro Video Solving a System of Equations Using Substitution Today, we are going to solve the equations we wrote last time using substitution

Module 4 Simultaneous Linear Equations - smcewen / …smcewen.pbworks.com/w/file/fetch/107569770/Yr10...Set 2 1 Solve the following simultaneous equations using the substitution method

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Mrs. Kohrman Math - Home · Methods for solving systems 5.1 Graph 5.2 Substitution . Solving a System of Linear Equations by Substitution Step 1 : Solve one of the equations for one

8.3 Trig Equations - Mrs. Johnston · 2018. 4. 27. · Solve Trig Equations by substitution. Solve Trigonometric Equations by factoring. 4/27/2018 Free template from 2 Make sure you

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