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sattari [20]
3 years ago
9

Which values ​​of xwould make a polynomial equal to zero if the factors of the polynomial were (x + 4) and (x + 8)? O A. 4 and -

8 O B. 4and 8 O C. -4 and -8 O D. -4 and 8
Mathematics
1 answer:
tatiyna3 years ago
4 0

Answer:

-4 and -8

Step-by-step explanation:

Set each of the 2 factors = to 0 and solve for x:

x + 4 = 0 ↔ x = -4

x + 8 = 0 ↔ x = -8

The x-values -4 and -8 are the roots (zeros) of a polynomial whose factors are (x + 4) and (x + 8).

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Answer:

<u>a) 100m</u>

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Step-by-step explanation:

a)==>> <u>2+4</u>+<u>6+8</u>+10(8) = 100m

b)==>> Variable "a" = change OVER time (\frac{change}{time}) = 8m/4s = 2m/s

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2 years ago
The area of a square rug is 169ft^2. How long is each side of the rug?
jek_recluse [69]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{13 \: ft}}}}}

Step-by-step explanation:

\star{ \sf{ \: Area \: of \: a \: square \: rug \: ( \: A \: ) \:  =  \: 169 \:  {ft}^{2} }}

\sf{ \underline{Finding \: the \: length \: of \: a \: square \: ( \: l \: )}}

\boxed{ \sf{Area \: of \: a \: square \:  =  \:  {l}^{2} }}

\hookrightarrow{ \sf{169 =  {l}^{2} }}

\hookrightarrow{ \sf{ {l}^{2}  = 169}}

\hookrightarrow{ \sf{ \sqrt{ {(l)}^{2} }  =  \sqrt{169} }}

\hookrightarrow{ \text{length \:  =  \: 13 \: ft}}

\text{Hope \: I \: helped!}

\text{Best \: wishes !!}

~\text{TheAnimeGirl}

6 0
3 years ago
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alex41 [277]

Step-by-step explanation:

by using the radical and suds rule

6 0
2 years ago
If f(x)= -6x+6 then f^-1(x)=
drek231 [11]
Recall that, to get the inverse relation of any expression, we start off by doing a quick switcharoo on the variables, then we solve for "y".

\bf \stackrel{f(x)}{y}=-6x+6\qquad inverse\implies \boxed{x}=-6\boxed{y}+6&#10;\\\\\\&#10;x-6=-6y\implies \cfrac{x-6}{-6}=y\implies -\cfrac{x}{6}+1=\stackrel{f^{-1}(x)}{y}
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3 years ago
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