3 years ago

What is the completely factored form of t^4 − 16

1 answer:

7 0

Since both terms are perfect squares, factor using the difference of squares formula, a^ 2 − b ^2 = ( a + b) ( a − b ) where a = t ^2 and b = 4 .

Answer: ( t^ 2 + 4 ) ( t + 2 ) ( t − 2 )

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Graph Ex+ 3y = 24 a. b. c. d.

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Answer:

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Step-by-step explanation:

Given

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Required

The graph

First, make y the subject

$3y = 24 - 8x$

Divide through by 3

$y = 8 - \frac{8}{3}x$

Let x = 3

$y = 8 - \frac{8}{3}*3 = 8 - 8 = 0$

Let x = 6

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So, we plot the graph through

$(3,0)$ and $(6,-8)$

See attachment for graph

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Step-by-step explanation:

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Total the amounts he was over and under:

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Now add that to the total par:

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