Alg 2.1 & 2.2

Determine if statement "The opposite of -a is always positive" is true or false

• True
• False
• It depends
• Not enough information to know

Determine if statement "The opposite of |a| is never positive" is true or false

• True
• False
• It depends
• Not enough information to know

Determine if statement "The expression |-a| is never negative" is true or false

• True
• False
• It depends
• Not enough information to know

Is the statement 
|x| = |-x|
 always, sometimes, 
or never true?

• Always
• Sometimes 
• Never
• Not enough information to know

Is the statement 
-|x| = |-x|
 always, sometimes, 
or never true?

• Always
• Sometimes 
• Never
• Not enough information to know

Solve |x| = 10

• x = 10
• x = -10
• x = ± 10
• No solution

Solve -|x| = 26

• x = 26
• x = -26
• x = ± 26
• No solution

Solve -|x| = -19

• x = No solution
• x = ± 19
• x = 19
• x = -19

Solve |-x| = 67

• x = No solution
• x = 67
• x = ± 67
• x = -67

Solve -|-x| = 50

• x = 50
• x = -50
• x = ± 50
• No solution