Solving Absolute Value Equation

Presentation

•

Mathematics

•

9th - 10th Grade

•

Practice Problem

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Easy

Joseph O'Neill

Used 8+ times

FREE Resource

4 Slides • 5 Questions

Solving Absolute Value Equation

How can we solve an absolute value equation?

SWBAT set up two equations to solve an absolute value equation?

Solving Absolute Value Equations

An absolute value equation is an equation that contains and absolute value expression.

We can solve these types of equations by solving TWO related linear equations.

|x - 4| = 6

$\left|x\ -\ 4\right|=6\ and\ \left|x\ -\ 4\right|=-6$ then solve for x

$\left|x\right|=10$

$\left|x\right|=10\ and\ \left|x\right|=-10$

Multiple Choice

How would you set up this absolute value equation |y -2| = 10

|x - 2| = 10 and |x - 2| = 10

|y - 2|= 10 and |y - 2| = -10

Open Ended

Now solve for |y - 2| = 10 and |y - 2| = -10

Type response here

Multiple Choice

Solve |m + 3| = 7

m=2 and m=5

m=-10 and m=4

m=1 and m=-1

Poll

Solve |x| = 13

x=-13 and x=13

x=9 and x=-9

x= 0

Multiple Choice

Solve |q - 8| = 14

q = -6 and q = 22

q = 34 and q=-6

q=0 and q = -0

Solving Absolute Value Equation

How can we solve an absolute value equation?

SWBAT set up two equations to solve an absolute value equation?

Show answer

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