Absolute Value Test Review

what is the absolute value of -|14|?

• 14
• 21
• 33
• -14

Select the true statement

• |-220| = -220 and 220
• -|220|=  220
• |-220|= 220
• |-220|= -220

Find the absolute value

• -43
• 43
• -43 and 43
• 1/43

Is absolute value always positive?

• yes
• no

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.

Solve for x
l 2x−1 l = 9

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

Solve for x
l x−6 l + 4= 10

• x = 12 and x = 0
• x = 3 and x = -3
• x = -12 and x = 0
• No Solution

Solve:

• {24}
• {-6, -8}
• {16, 4}
• {24, -24}

• {4, -4}
• {9, -9}
• {5, -9}
• {13, -1}

−2|−2r − 4| = -12

• {3,1}

• {-5,1}

• {-3}

• No Solution