2 years ago

How do I solve this question? Which answers are correct?

1 answer:

3 0

The intervals apply to the x column. And f(x) is just a different way of saying y. So when y is greater than 0 on the chart, what is true about x. So far as I can tell, the second and last choices are correct.

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2÷9<br><img src="https://tex.z-dn.net/?f=78%20%5Csqrt%7B%7D%20" id="TexFormula1" title="78 \sqrt{} " alt="78 \sqrt{} " align="ab

dimulka [17.4K]

Answer:

2 ÷ 9 ≈ 0.222

√78 ≈ 8.832

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2 years ago

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mixer [17]

Quadratic Formula is (-b ±√(b²-4ac))/2a

With that being said:

y=2x²-5x-1 is in the correct form of ax²+bx+c

Now just plug in:

5±√(25-4(2 x-1))

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(5±√33)/2(2)

Answer is D

100% Sure

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Answer:

Step-by-step explanation:

is this a test?

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Gwar [14]

Answer:

Integers are always closed under subtraction, addition and multiplication, not division though. Hope this helped! :D

Step-by-step explanation:

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