2.5: SOLVING EQUATIONS: ABSOLUTE VALUE

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•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the definition of absolute value?
Back
The absolute value of a number is its distance from zero on the number line, regardless of direction. It is denoted as |x|.
2.
FLASHCARD QUESTION
Front
How many solutions does the equation |c - 7| = 2 have?
Back
Two solutions: c - 7 = 2 or c - 7 = -2, which gives c = 9 or c = 5.
3.
FLASHCARD QUESTION
Front
How many solutions does the equation 4|m| = -20 have?
Back
No solution, because the absolute value cannot be negative.
4.
FLASHCARD QUESTION
Front
How many solutions does the equation |-5c| = 0 have?
Back
One solution: -5c = 0, which gives c = 0.
5.
FLASHCARD QUESTION
Front
How many solutions does the equation -4 = |-6v| - 4 have?
Back
One solution: |-6v| = 0, which gives v = 0.
6.
FLASHCARD QUESTION
Front
Back
b = 18.
7.
FLASHCARD QUESTION
Front
Back
b = -36.
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