Warm – up #6 Warm – up #6 Solutions 2. 8+10x -36 -8-8 + 6 + 6 10x -30 1010 -10-10 x < 1or x < 3 x < 3.

Slides:



Advertisements
Similar presentations
Solving Rational Equations and Inequalities
Advertisements

Splash Screen Inequalities Involving Absolute Values Lesson5-5.
For Educational Use Only © 2010 Benchmark 10 I can solve absolute value equations.
1.7 Solving Absolute Value Equations & Inequalities
EOC Practice #14 SPI EOC Practice #14 Write and/or solve linear equations, inequalities, and compound inequalities including those containing.
2.8 - Solving Equations in One Variable. By the end of today you should be able to……. Solve Rational Equations Eliminate Extraneous solutions Solve Polynomial.
Unit 1 Test Review Answers
Warm-up Determine the equation of this absolute value function. Then, give the intervals of increase and decrease and the domain and range.
x x x < 1or x < 3 x < 3.
11.1 Ratios and Proportions Solve proportions. Proportion – equates two ratios extreme mean This proportion is read as “a is to b as c is to d.” You must.
6.5 and 6.6 Solving Absolute Value Equations & Inequalities Page 322 Textbook Indicators: PFA 7,8 and 9.
Solving Absolute Value Equations and Inequalities.
Expressions, Equations and Inequalities Ch. 1.6 Absolute Value Equations and Inequalities EQ: How can you solve absolute value equations and inequalities?
4-6 Solving Absolute Value Equations & Inequalities
Warm Up Solve each equation for the given variable. 1)7x = 562) 3y + 7 = 19 3) 4 – 2x = 164) x – 9 = -22.
Solving Absolute Value Inequalities
Lesson 5 Contents Glencoe McGraw-Hill Mathematics Algebra 2005 Example 1Solve an Absolute Value Equation Example 2Write an Absolute Value Equation.
3.6 Solving Absolute Value Equations and Inequalities
1.6 Absolute Value Equations and Inequalities. Solving an Absolute Value Equation What is the solution of | 2x – 1 | = 5? Graph the solution. | 2x – 1.
Solving Open Sentences Involving Absolute Value
1.6 Absolute Value Inequalities and Equations Honors Algebra II.
1.7 – Solve Absolute Value Equations and Inequalities Recall that the absolute value of a number x, written |x|, is the distance the number is from 0 on.
3.7 Absolute value DAY 2. Solve for x----no notes on this slide (just watch). |x| = 5 |x + 2| = 5 x = 5 or x = -5 x + 2 = 5 or x + 2 = -5 x =
1.7 “Absolute Value” Absolute Value is always positive!! 7 = 7-7 = 7 **When solving equations or inequalities, you MUST set up 2 separate problems, one.
Bell Work2/5/14 Solve the system by graphing. Yesterday’s Homework 1.Any questions? 2.Please pass your homework to the front. Make sure the correct heading.
Holt McDougal Algebra 2 Solving Rational Equations and Inequalities Solving Rational Equations and Inequalities Holt Algebra 2Holt McDougal Algebra 2.
Warm – up #1 Hw:pg 301 # 12-15, 21, 23, ODD (skip 45)
Solving Multi-Step Inequalities
Get radical alone. 5 Tues 1/12 Lesson 6 – 5 Learning Objective: To solve radical equations Hw: Lesson 6 – 5 WS 2.
Mon 1/11 Lesson 6 – 5 Learning Objective: To solve square root equations Hw: Lesson 6 – 5 WS 1.
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.
A LGEBRA 2 A LGEBRA 2 P RE -AP August 19 & 20, 2013 ef.
Warm – up #4 1. A line passes through (3, 5) and (6, 14). What is the equation of the line in point- slope form? 2. Write an equation of a line parallel.
1.7 Solving Absolute Value Equations & Inequalities p. 50.
Absolute Value (of x) Symbol |x| The distance x is from 0 on the number line. Always positive Ex: |-3|=
Warm – up #6 1. {(0, 10), (2, 7), (4, 5), (6, 2), (10, 1) } a. Make a scatter plot b. Describe the correlation c. Write the equation of the line of best.
Warm – up #7. Vertex: (0, 0) Axis of Sym: x = 0 x y V(0 0)
Warm Up  Solve the equation or inequality.  1.) 3x + 15 = -42  2.) 5x – 8 ≤ 7  3.) 2x
Example Example 2 - Extraneous Solution.
Homework Log Wed 9/30 Lesson 2 – 1 Learning Objective: To find solutions of equations Hw: #201 Pg. 101 #1 – 31 odd.
Absolute Value Equations and Inequalities
Algebra 1 Section 6.4 Solve absolute Value Equations and Inequalities
7.6 Solving Radical Equations
1.7 Solving Absolute Value Equations & Inequalities
Solving Absolute Value Equations
Warm up: Solve the given system by elimination
Lesson 37: Absolute Value, pt 2 Equations
1.3 Solving Absolute Value Equations & Inequalities
Warm-Up Solve the system by substitution..
Solving Absolute Value Equations & Inequalities
Warm – up #7 1. Solve by Factoring 3
Section 7.5 Solving Equations with Two Absolute Values
Getting the radical by itself on one side of the equation.
Algebra II Honors/Gifted
Section 7.3 Solving Absolute Value Equations
1-5 Absolute Value Equations
Warm – up # 2 1. Rewrite in log form 5 4 =625
1.7 Solving Absolute Value Equations & Inequalities
I can solve radical equations and identify extraneous solutions
Solving a Radical Equation
Warm up: Solve the given system by elimination
Solving Absolute Value Equations & Inequalities
Warm-Up Solve the system by graphing..
1.7 Solving Absolute Value Equations & Inequalities
7.6 Solving Radical Equations
Example 1: Solving Rational Equations
Warm UP Simplify      .
6.6 Solve Radical Equations
Warm – up #4 1. Evaluate
Warm – up #6 1. 3
Presentation transcript:

Warm – up #6

Warm – up #6 Solutions

x x x < 1or x < 3 x < 3

Warm – up #6 Solutions

Lesson 1 – 6 Absolute Value Equations & Inequalities Day 1 Algebra II

Learning Objective To write & solve equations involving absolute value

Solving an Absolute Value Equation

Always get the absolute value by ITSELF before splitting it up and solving!!

Multi-Step Absolute Value Equation

Absolute Value Equations

Extraneous Solution – Extra, but wrong answer ALWAYS plug your answers back into the ORIGINAL equation to CHECK !! This is big don’t forget it

Extraneous Solutions

Check for Extraneous Solutions

Extraneous Solutions

Last one, before TOD

Ticket Out the Door Describe how absolute value equations are like linear equations and how they differ. Be specific.

Assignment: Absolute Value Equations WS