2 years ago

Which of the following is a quadratic function?

Mathematics

1 answer:

Fudgin [204]2 years ago

6 0

Answer:A is a quadratic function

Step-by-step explanation:

A quadratic function is one of the form f(x) = ax2 + bx + c, where a, b, and c are numbers with a not equal to zero. If you solve the function, y= 2x^2+x-6.

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2 years ago

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Jerry is mowing his lawn .it takes him 1/6 of an hour to mow 3/20 of his years .what portion of the yard does jerry now per hour

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Given that Jerry mows 3/20 yards of lawn in 1/6 hour.

Now we have to found how much Jerry can mow per hour.

We know that "work" and "time" are in direct proportion so we can setup the ratio of work and time to easily find the required work.

$\frac{Portion \; \; of \; \; lawn \; \; mowed}{time}=\frac{\frac{3}{20}}{\frac{1}{6}}$

$\frac{Portion \; \; of \; \; lawn \; \; mowed}{1}=\frac{\frac{3}{20}}{\frac{1}{6}}$

$Portion \; \; of \; \; lawn \; \; mowed=\frac{3}{20}*\frac{6}{1}$

$Portion \; \; of \; \; lawn \; \; mowed=\frac{18}{20}$

$Portion \; \; of \; \; lawn \; \; mowed=\frac{9}{10}$

Hence final answer is $\frac{9}{10}$ yards.

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3 years ago

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