You need paper & pencil for today’s assignment

Slides:

Advertisements

Similar presentations

Solve by graphing: y = -7x + 2 x + 4y = 8 (0,2). Objective: To use the substitution method to solve systems of linear equations.

Advertisements

Warm up 1. State the center and radius. 2. Write the following in standard form. Center (-9, 2) r = 8.

Warm Up 1) Is (-3, 4) a solution to the system? 2)Solve the system by graphing y = -2x + 5 2y = x - 2.

Table of Contents Solving Equations In Quadratic Form There are several methods one can use to solve a quadratic equation. Sometimes we are called upon.

3.5 Solving systems of equations in 3 variables

Thinking Mathematically Algebra: Graphs, Functions and Linear Systems 7.3 Systems of Linear Equations In Two Variables.

TODAY IN ALGEBRA…  Learning Goal: 7.2 You will solve systems of linear equations by Substitution  Independent Practice.

Substitute 0 for y. Write original equation. To find the x- intercept, substitute 0 for y and solve for x. SOLUTION Find the x- intercept and the y- intercept.

Substitute 0 for y. Write original equation. To find the x- intercept, substitute 0 for y and solve for x. SOLUTION Find the x- intercept and the y- intercept.

Algebra I Chapter 6 Review

HOMEWORK FOR 7-1 p , 6, 8, 9, 14, 17, 18, 25, 32, 34, 42, 46 “Finish the whole thing; it’ll make my mom happy!” Colby.

Substitution Method: 1. Solve the following system of equations by substitution. Step 1 is already completed. Step 2:Substitute x+3 into 2 nd equation.

Objective The student will be able to: solve systems of equations using substitution. SOL: A.9.

Coins Quandary Teacher Notes Vocabulary: system of equations Prepare 1 box (or envelope) per student. Supplies: pennies & nickels boxes or containers that.

3.1 – Solve Linear Systems by Graphing A system of two linear equations in two variables x and y, also called a linear system, consists of two equations.

Solving Systems by Substitution

WARM UP GRAPHING LINES Write the equation in slope- intercept form and then Graph. (Lesson 4.7) 1.3x + y = 1 2.x + y = 0 3.y = -4 3.

Solving Linear Systems Algebraically Section 3-2 Solving Linear Systems Algebraically.

Solving One Step Equations Algebra I. Addition and Subtraction One Step Equations A solution of an equation is the value or values of the variable that.

Warm Up Solve by graphing (in your calculator) 1) 2)

EXAMPLE 1 Solve a system graphically Graph the linear system and estimate the solution. Then check the solution algebraically. 4x + y = 8 2x – 3y = 18.

Algebra Review. Systems of Equations Review: Substitution Linear Combination 2 Methods to Solve:

TODAY IN ALGEBRA 2.0…  Review: Solving Linear Systems by Graphing  Learning Goal 1: 3.2 Solving Linear Systems by Substitution with one equation solved.

Algebra 1 Section 4.2 Graph linear equation using tables The solution to an equation in two variables is a set of ordered pairs that makes it true. Is.

Algebra 2 Chapter 3 Review Sections: 3-1, 3-2 part 1 & 2, 3-3, and 3-5.

Warm Up Find the solution to linear system using the substitution method. 1) 2x = 82) x = 3y - 11 x + y = 2 2x – 5y = 33 x + y = 2 2x – 5y = 33.

Solving Systems of Equation Using Subsitution Lesson 6-2 Oct. 24, 2014.

Money Word Problems Today we will learn to solve word problems involving money by: Understanding the problem Learning to identify clue words Using manipulatives.

Quiz Literal 5. 2x - 3y = -24 solve for y 6. x + 6y = 18 solve for x

Systems of Equations can be linear or non-linear

Warm Up 2x – 10 9 – 3x 12 9 Solve each equation for x. 1. y = x + 3

Solving Systems of Equations using Substitution

System of Equations Substitution Method Day 1

Solve Linear Systems by Graphing

Solving Systems Using Substitution

Equations and Problem Solving

Write the equation and Solve. (SHOW EACH STEP & Check!)

Welcome To Algebra Concept week semester 2(week 5)

Solve Systems of Equations by Graphing

Warm Up Evaluate each expression for x = 1 and y =–3.

Warm-Up Solve the system by substitution..

Solving Linear Systems by Graphing

Solve a system of linear equation in two variables

Coin Combinations Systems of Equations

3.5 Solving systems of equations in 3 variables

Solving Systems of Equations using Substitution

Do Now 1) t + 3 = – 2 2) 18 – 4v = 42.

Before: November 28, 2017 Solve each system by graphing. 1. y = 2x – 1

Solving Systems of Linear and Quadratic Equations

3.2a – Solving Systems algebraically

Bellringer Go Formative & Graph this system:

Lesson Objectives: I will be able to …

I can solve a system of equations algebraically by substitution.

Solving Systems of Linear and Quadratic Equations

SECTION 10-4 : RADICAL EQUATIONS

Interest problems Using Systems of Equations

Objectives Identify solutions of linear equations in two variables.

Solving systems using substitution

Don’t forget hmwk sheet & evidence of study due tomorrow

Solve for p. Show all steps and check your answer.

Warm-up Determine if (2, 1) is a solution to the following

Warm-Up Solve the system by graphing..

Skills Check Graphing Circles & Writing Equations.

Algebra 1 Section 2.8.

Warm-up 1. 5x – 4 = 2x (x + 2) + 3x = 2 Solve for the variable 1. 5x – 4 = 2x (x + 2) + 3x = 2.

Warm-up 1. 5x – 4 = 2x (x + 2) + 3x = 2 Solve for the variable 1. 5x – 4 = 2x (x + 2) + 3x = 2.

Have Homework out-including Factor Coloring. Have blank sheet of paper

Review Systems of Equations

Warm- Up: Solve by Substitution

Presentation transcript:

You need paper & pencil for today’s assignment Happy Turkey Week 11/21/17 Graph this: 2y=-3x+10 You need paper & pencil for today’s assignment

AGENDA *Coin Riddles *Graphing Coins? *IXL AA.2 complete it 90% *Algebra Puzzles

Inside your cup you have a combination of coins consisting of dimes and nickels. Find the exact number of dimes and nickels if your total is $ 1.35 and you have exactly 16 coins.

Inside your cup you have a combination of coins consisting of dimes and nickels. Find the exact number of dimes and nickels if your total is $ 1.35 and you have exactly 16 coins. Dimes Nickels Total High/low?

Answer 11 dimes 5 nickels Answer 11 dimes $1.10 5 nickels .25 Total $1.35

I can solve a system of equations algebraically by substitution. Learning Target I can solve a system of equations algebraically by substitution.

Money Riddles Can you solve the riddle? Try guess & check, make a table, etc… When time is called at 6 minutes, you will view the contents and check your solution. If your team, finishes early-write a riddle of your own.

Rotation Alphas & Delta- Riddle #1 Beta & Kappa-Riddle #2 Gamma & Lamda-Riddle #3 Phi & Sigma -Riddle #4 Omega & Iota-Riddle #5 Alpha→ Beta → Gamma → Phi → Omega → Alpha Delta→ Kappa → Lamda → Sigma → Iota → Delta

Writing a System for Money Riddles Riddle #1-define variables

Writing a System for Money Riddles Riddle #1-define variables 𝑁𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑐𝑜𝑖𝑛𝑠: 𝑛𝑖𝑐𝑘𝑙𝑒𝑠+𝑑𝑖𝑚𝑒𝑠=19 𝑡𝑜𝑡𝑎𝑙 𝑐𝑜𝑖𝑛𝑠 𝑛+𝑑=19 𝑉𝑎𝑙𝑢𝑒 𝑜𝑓 𝑐𝑜𝑖𝑛𝑠: 𝑛𝑖𝑐𝑘𝑙𝑒𝑠×0.05+𝑑𝑖𝑚𝑒𝑠×0.10=$1.30 0.05𝑛+0.1𝑑=$1.30

Could you Graph it? Writing a System for Money Riddles Riddle #1-define variables 𝑛+𝑑=19 0.05𝑛+0.1𝑑=1.30 Could you Graph it?

𝑛+𝑑=19 0.05𝑛+0.1𝑑=1.30

𝑛+𝑑=19 0.05𝑛+0.1𝑑=1.30

𝑛+𝑑=19 0.05𝑛+0.1𝑑=1.30

What’s the sol? Sometimes, graphing is not the best method to solve a system. What’s the sol?

What’s the sol? Sometimes, graphing is not the best method to solve a system. What’s the sol?

What’s the sol? Sometimes, graphing is not the best method to solve a system. What’s the sol?

After, play the algebra games on my website. IXL AA.2 90% After, play the algebra games on my website.