Absolute Value Equations Quiz

|v + 8| − 5 = 2

• x = -1, x = -15

• x = -1, x = -5

• x = -15, x = 15

• No Solution

∣ 2x + 9 ∣ = 15

• x = 3, x = 4

• x = 3

  x = -6

• x = 3

  x = -12

• x = 6

  x = -12

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.7

CCSS.6.NS.C.8

Solve the absolute value equation.

• x = 7

• x = -7, x = 7

• x = 0, x = 7

• No Solution

Solve. Select TWO solutions.

 $\left|x-1\right|=3$  

• x = -2

• x = 2

• x = 4

• x = -3

Solve. Select BOTH solutions.
 $\left|3x\right|+2=8$  

•  $x\ =\ \frac{10}{3}$  

•  $x\ =\ 2$  

•  $x\ =-2$  

•  $x\ =-\frac{4}{3}$  

−2|−2r − 4| = -12

• x = 5, x = 1

• x = -5, x = -1

• x = -5

• No Solution

Solve for x.
2|x + 1| - 5 = 5

• x = 4 & x = 6
• x = -4 & x = 6
• x = -6 & x = 4
• no solution

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve for x
l 5x l = 40

• x = 8 and x =-8
• x = 35 and x = -35
• Only x = 8
• No Solution

Tags

CCSS.6.NS.C.7C

|−2n| + 10 = −50

• x = 30, x = -30

• x = 20, x = -20

• x = -5, x = 5

• No Solution