3 years ago

Which equation describes a parabola that opens up or down and whose vertex is at the point (h,v)

Mathematics

1 answer:

Serggg [28]3 years ago

7 0

y = a ( x - h)^2 + v

a is positive when the parabola opens up and negative when it opens down.

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devlian [24]

Answer:we multiply by the reciprocal of a fraction when completing a division problem because it is a rule in mathematics that when you divide two fraction, you change the division sign to multiplication and flip the fraction at the right of the multiplication sign.

Step-by-step explanation:

For example if you have 4÷ 1/2. It basically means how many 1/2 can one get in 4. And the answers is 8.

Therefore multiplying by the reciprocal of a fraction when completing a division problem is a short cut method that has been tested and proven to be correct.

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Rudiy27

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Nataly_w [17]

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