45 points! Help me on the attached file, please :D
1 answer:
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Answer:
2. An absolute.value cannot be negative
Step-by-step explanation:
I.I'll explain it short why absolute.value cannot be negative
Given |4x - 7| = -1
4x = -1 + 7
4x = 6
x = 3/2
II. Prove by x = 3/2
|4() - 7| = -1
|2(3) - 7| = -1
|6 - 7| = -1
| -1 | = -1
1 = -1 false, not true
III. Absolute value is came from
As you knew square root value cannot be negative
So absolute.value cannot be negative.
Ask me for anything.