2 years ago

Plzzzzzzzz HELP!!!!!!

Mathematics

1 answer:

sveta [45]2 years ago

3 0

It should be =8.32362

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Simplify the following expression<br>6a^4c+8ac^2-4a^4c-15-10ac^2

aleksandr82 [10.1K]

Answer:

2a^4c-2ac^2-15

Step-by-step explanation:

Sorry, I not sure if this is right or not cause I don't know if the exponent for -4a^4c is that or -4a^4c-15, but I'm just going to go with -4a^4c. However aside from that you just combine like terms.

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3 years ago

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Wittaler [7]

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Axis of symmetry for f(x) = -2x2 + 20x -42

Ksenya-84 [330]

For the function $f(x)=2x^2 +20x-42$

We can use the formula for the axis of symetry, which is $x= \frac{-b}{2a}$

With the values substituted, we get...

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Therefore the axis of symmetry is $x=5$