Hey guys need up on these just remember if it is false give an counterexample.
51.) The opposite of -a is always positive.
52.) The opposite of [a] is never positive.
53.) The expression [-a] is never negative.
2006-07-18 06:55:59 · 10 answers · asked by lynqh2002 2 in Education & Reference ➔ Homework Help
51) False, "a" could be a negative number.
52) True, the opposite of an absolute value is always negative and never positive.
53) True, absolute value is always positive.
2006-07-18 06:58:28 · answer #1 · answered by zbbasktbal82092 3 · 0⤊ 0⤋
51. True 52. False The opposite of [a] is always positive. 53. True.
2006-07-18 06:57:54 · answer #2 · answered by Courtney 2 · 0⤊ 0⤋
51. False, a could be 0.
52. True, because the opposite of the absolute value of any number is negative.
53. True because the absolute value of a negative is always positive.
Yuck, Math bites.
2006-07-18 06:58:38 · answer #3 · answered by m_thurson 5 · 0⤊ 0⤋
51. false. "a" could be a negative number. -(-a) is positive. Therefore the reverse would be negative.
52 & 53 are true.
2006-07-18 07:01:58 · answer #4 · answered by cyanne2ak 7 · 0⤊ 0⤋
-1 * -1 = 1
-1 * 1 = -1
1 * 1 = 1
2006-07-18 06:58:49 · answer #5 · answered by Anonymous · 0⤊ 0⤋
51.true
52.true because [a] equals positive so therefore positive can't be its opposite
53.true
2006-07-18 06:58:10 · answer #6 · answered by kisses4buttrfly 1 · 0⤊ 0⤋
51. True
52. True
53. False, it's already negative
Dumb, but thanks for the 2 points....
2006-07-18 06:59:10 · answer #7 · answered by Anonymous · 0⤊ 0⤋
they are all true
but 52
if those are absolute value marks
absolute values can't be negative
2006-07-18 06:59:07 · answer #8 · answered by rrfarmer_2000 2 · 0⤊ 0⤋
do your own homework.
2006-07-18 06:57:36 · answer #9 · answered by rodie5582 4 · 0⤊ 0⤋
DO YOUR OWN HOMEWORK!!!
2006-07-18 06:59:42 · answer #10 · answered by Hot Venezuelan 1 · 0⤊ 0⤋