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OpenStudy (macy):
how do i solve: -5n(n+3)=0 by using the zero-product property?
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OpenStudy (anonymous):
-5n=0
n+3=0
OpenStudy (anonymous):
n=0, n=-3
OpenStudy (anonymous):
-5n (n+ 3) =0
-5(2 n) + -15n= 0
-10n + -15n +0
-25n=0
+25 +25
n=25
OpenStudy (macy):
thanks so much!! :):)
OpenStudy (amistre64):
n doesnt equal 25 ....
audia was correct
clover mistook n*n to mean 2n instead of n^2
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OpenStudy (macy):
oh..pellet lol
OpenStudy (macy):
well i still needed the step by step answer anyways.. :/
OpenStudy (macy):
In an exponential model, the y values (?) decrease as the x values increase.
a. always
b. sometimes
c. never
OpenStudy (macy):
please help!
OpenStudy (amistre64):
ill help; but save the vulgarity for a different forum please. we are trying to keep this a family friendly environment....
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OpenStudy (amistre64):
sometimes is my best guess
OpenStudy (amistre64):
it depends on the base being used.
If the base is between 0 and 1; it increases as x gets small
if its greater than 1; it decreases as x gets small
OpenStudy (amistre64):
well, same principle; different x values direction :)
OpenStudy (amistre64):
2^x increases as x gets bigger
(1/2)^x decreases as x gets bigger, so sometimes
OpenStudy (macy):
yeah that was my guess too. thanks
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OpenStudy (amistre64):
yw :)
OpenStudy (macy):
:)
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