Absolute Value Equations

Put the steps in the order you would perform to solve the following absolute value equation.

• Subtract 6

• Solve both equations

• Divide by 5

• Set up 2 equations: positive & Negative

What's a way to define absolute value?

• The value of a number

• The opposite of a number

• The distance of a number from zero

• The multiplicative inverse of a number

Tags

CCSS.6.NS.C.7C

The absolute value of | –3 | is______.

Tags

CCSS.6.NS.C.7C

Solve the absolute value equation: |2y - 4| = 8

Solve for x
l 2x−1 l +4 = 8 

• x = 2.5 and x = -1.5

• x = 2 and x = -1

• x = -2 and x = 9

• No Solution

Solve for x
l 2x−1 l = 9

• x = 5 and x =-4

• x = 5 and x = -5

• Only x = 5

• No Solution

Solve the absolute value equation: |x/2 + 4| = 6

Solve for x in the following absolute value equation.

• 8
  

• -8

• 15

• -15

Solve the absolute value equation: |3x - 9| = 0