CH 1 ABSOLUTE VALUE EXTRA PRACTICE

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

Solve for x
l 2x−1 l = 9

• x = 5 and x =-4
• x = 5 and x = -5
• Only x = 5
• No Solution

Tags

CCSS.6.NS.C.7C

Solve for x
l 4x−3 l = 17

• x = 5 and x =-3.5
• x = 0 and x = -5
• x = 10 and x = -10
• No Solution

Tags

CCSS.7.EE.B.3

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

Tags

CCSS.6.NS.C.7C

-|−2r − 1| = 11

• {-6,5}
• {5,-6}
• -6
• No Solution

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

What is the reason that absolute value is always written as a positive?

• Absolute value is talking about numbers so it must be positive.
• Absolute value does not always have to be positive.
• Absolute value is like a clock it has only positive numbers.
• Absolute value is talking about distance, distance is always measured by positive numbers.

Tags

CCSS.6.NS.C.7C

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

Solve the following equation:

|−2n| + 10 = 50

• {30, −30}

• {20, −20}

• {−5, 5}

• No Solution

Solve. Select BOTH solutions.
 $5\left|7+x\right|+2=17$  

•  $-10$  

•  $3$  

•  $4$  

•  $-4$  

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Mr. Jones collects antique cars which range in age from 102 to 26 years old. Find the midpoint of the age of the cars and write an absolute value equation to represent the average age of his car collection.

• |c+64|=26

• |c-64|=38

• |c+38|=64

• |c+26|=125

Tags

CCSS.HSA.CED.A.3