Algebra Unit 2 Review. Content of test Review from previous chapters. Fundamental Counting Principle Multiply and Divide Rationals. One-step multiplication/division.

Slides:

Advertisements

Similar presentations

Solving 2 Step Equations

Advertisements

Solve an equation with variables on both sides

Solving Equations and Inequalities

Solving Two-Step Equations

Solving Multiplication and Division Equations Lesson 2-7.

3-3 Solving Multiplication Equations. Solve Solution GOAL Find the value of the variable that makes the equation TRUE. The value that makes the equation.

Solving Equations by Adding and Subtracting: Vocabulary Solve: To solve an equation mean to find a solution to the equation. Isolate the variable: Get.

Solving one- and two-step equations. Solving One-Step Equations using Additive Inverse Steps Given the equation x + 4 = 9 use the inverse of adding 4.

Solving 2 Step Equations.

2-2 Solving Two-Step Equations. Goal: To isolate the variable How do you do this : Use Inverse Operation (Opposite) 1. do all Addition or Subtraction.

 SWBAT solve two-step algebraic equations.  Two-Step Equations are equations that require two- steps to solve.  You will ADD or SUBTRACT and then.

Warm Up  – Evaluate.  (0.29)

1.4 Solving Equations ●A variable is a letter which represents an unknown number. Any letter can be used as a variable. ●An algebraic expression contains.

The Multiplication Principle of Equality 2.3a 1.Solve linear equations using the multiplication principle. 2.Solve linear equations using both the addition.

Solving Equations Medina1 with Multiplication and Division.

Solving Linear Equations To Solve an Equation means... To isolate the variable having a coefficient of 1 on one side of the equation. Examples x = 5.

Solving Equations Medina1 Variables on Both Sides.

 Here are a few review concepts before we start solving equations!

Chapter 2 Copyright © 2015, 2011, 2007 Pearson Education, Inc. Chapter Copyright © 2015, 2011, 2007 Pearson Education, Inc. Chapter 2-1 Solving Linear.

Solving Equations. The equations are equivalent If they have the same solution(s)

Rational Equations Section 8-6.

Solving Equations Medina1 Multi-Step Equations. Steps to solve Medina2 3. Use inverse of addition or subtraction You may not have to do all the steps.

Linear Equations  Know your rules for solving equations  If fractions, multiply through by LCD  Distribute values to parentheses  What you do on one.

One step equations Add Subtract Multiply Divide  When we solve an equation, our goal is to isolate our variable by using our inverse operations.  What.

Algebra 1 Chapter 2 Section : Solving One-Step Equations An equation is a mathematical statement that two expressions are equal. A solution of an.

Example 1 Solving Two-Step Equations SOLUTION a. 12x2x + 5 = Write original equation. 112x2x + – = 15 – Subtract 1 from each side. (Subtraction property.

Algebra Review “Solving Equations” September 20 th 2010.

Reviewing One Step Equations.

Example 2 Multiple Choice Practice

Solve one step equations. You can add the same amount to both sides of an equation and the statement will remain true = = 9 x = y +

Bell Ringer 2. Systems of Equations 4 A system of equations is a collection of two or more equations with a same set of unknowns A system of linear equations.

2.2 Solving Two- Step Equations. Solving Two Steps Equations 1. Use the Addition or Subtraction Property of Equality to get the term with a variable on.

Multi Step Equations. Algebra Examples 3/8 – 1/4x = 1/2x – 3/4 3/8 – 1/4x = 1/2x – 3/4 8(3/8 – 1/4x) = 8(1/2x – 3/4) (Multiply both sides by 8) 8(3/8.

Problem Solving with Two-Step Equations Objective: Learn to use more than one inverse operation to solve an equation.

11-1 Solving Two-Step Equations Do Now Solve. 1. n + 9 = z = x = n = 8 x = 7 z = -16 = 9 y = 72 y8y8.

Solving One Step Equations subtract 3 Adding or subtracting the same number from each side of an equation produces an equivalent equation. Addition.

Opener: Find three consecutive odd integers whose sum is -63 Integer #1 = n Integer #2 = n + 2 Integer #3 = n + 4 (n) + (n + 2) + (n + 4) = -63 3n + 6.

§ 2.3 Solving Linear Equations. Martin-Gay, Beginning and Intermediate Algebra, 4ed 22 Solving Linear Equations Solving Linear Equations in One Variable.

Solving One and Two Step Equations What is a one – step equation? Examples: 1)3x = 21 2)a/5 = 10 3)5 + b = 12 4)x – 10 = 15 5)6t = 36.

0.1 Solving One-Step Equations. To solve an equation means to find all values of the variable that make the equation true. Isolate the variable to one.

1.4 Solving Equations.

My Equations Booklet.

SOLVING ONE-VARIABLE EQUATIONS •. Goal: Find the one value

CHAPTER 1.3 Solving Equations.

Solving 2 Step Equations.

Objective 3.6 solve multi-step inequalities.

Algebra Unit 2 Review.

Warm up 11/1/ X ÷ 40.

Solving 1-Step Integer Equations

Objectives: • Students will learn the steps necessary for solving two-step equations.

Equations Containing Decimals

1.4 Solving Equations I’ve taught you how to solve equations the “simonized” way but here’s another way of doing the same thing!

Solving Multiplication and Division Equations

Using the Addition and Multiplication Principles Together

Solving Multiplication Equations

Equations Containing Decimals

Solving Equations Containing Fractions

10/3/11 In your notebook, answer completely the following:

Learn to solve equations with integers.

Solving Equations.

Solving Two Step Algebraic Equations

Unit 2B/3A Solving Equations

Solving Equations Using Multiplication and Division

Solving Algebraic Equations with Addition and Subtraction

Solving Equations by 2-1 Adding or Subtracting Warm Up

Solving Algebraic Equations with Addition and Subtraction

Presentation transcript:

Algebra Unit 2 Review

Content of test Review from previous chapters. Fundamental Counting Principle Multiply and Divide Rationals. One-step multiplication/division problems. Two-step problems. Variables on both sides. Equations with parentheses. Write equation from words then solve. Answers can be integers or nice rationals.

Steps to Solve Equations 1.Get rid of parentheses. 2.Add like terms. 3.Move terms with variables to one side of the equation. 4.Move terms without variables to the opposite side of the equation. 5.Divide/Multiply by the number attached to your letter. 6.Check your answer in the original problem to see if it works.

One-step equations X + 4 = = p 9 f = 54⅝ g = -20

Two-step equations -4a – 1 = – 3d = = ½ b – (-3)¾ = 5y - 3

Variables on both sides -2t + 4 = 10 – t3a - 2 = a + 2

Special Cases Identity Property No solution Everything cancels Variables Cancel 0 = 00x = # 2 + 3m – 6 = 3m – g = 4g + 8

Quantity Problems Breaks the normal pattern of getting rid of addition and subraction first. You will get rid of the multiplication or division first. Look for a number isolated on one side of the equation. -2 ( 3h + 7 ) = x = -3 7

Distributive Equations -2( t -2) = 10 – t 5 +3(m – 4) = 2(m – 7)

Write Equations from Words 1.Four less than one-half of a number is 7. 2.Five sixths of a number m equals -80.