3 years ago

7.

1 answer:

8 0

The answer is option d via completing the square

y= x^2+2x+1

y= (x+1)^2+1

so it will have an aos of -1 and a vertex of (-1,0)

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Minutes are 1/60 of a degree and seconds 1/60 of a minute.

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Let's convert the 20.8' to degrees.
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3 years ago

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<img src="https://tex.z-dn.net/?f=15%20x%5E%7B2%7D%20%2B14x-49%3D0" id="TexFormula1" title="15 x^{2} +14x-49=0" alt="15 x^{2} +1

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$15x^2+14x-49=0\\\\
Terms:\\
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$Roots:\\\\
x'=\dfrac{-14+56}{30}\\\\
x'=\dfrac{42}{30}\\\\
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Answer:

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Step-by-step explanation:

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