Solving Absolute Value

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

What is the absolute value of |-26|.

• 26
• -26
• 0
• -20

Tags

CCSS.6.NS.C.7C

|v + 8| − 5 = 2 

• {-1,-15}
• {-1,-5}
• {-15,15}
• No Solution

Tags

CCSS.6.EE.B.5

CCSS.6.NS.C.7

 |−2n| + 10 = −50

• {30, -30}
• {20,-20}
• {-5,5}
• No Solution

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

|2a - 10| = 6

• a = 8, a = 5
• a = 2
• a = 8
• a = 8, a = 2

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

−2|−2r − 4| = -12

• {3,1}

• {-5,1}

• {-5,5}

• No Solution

Tags

CCSS.7.EE.B.3

Solve |2x –3| + 5 =10.

• {x = -1, 1}

• {x = -1, 4}

• {x = -1, -4}

• {x = 1, 4}

Solve:

0 = -6|9v - 7|

• $v\ =\ \frac{13}{9}$

• $v\ =\ \frac{7}{9}$

• v = 16 v = 4

• no solution

Solve:
 $-3\left|x-3\right|+3=6$  

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3