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Korolek [52]
3 years ago
9

Which equation shows how (–10, 8) can be used to write the equation of this line in point-slope form?

Mathematics
1 answer:
alex41 [277]3 years ago
3 0

If you plug in the # the only one that is correct is y-8=-0.2(x+10)

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Answer:

3rd option

Step-by-step explanation:

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What is equivalent to the following expression select all that apply.
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[URGENT]
Blizzard [7]

When you write URGENT the Brainly cops think you may be taking a test.

y = ax² + c thru (-1,4) and (0,8)

Substituting in the coordinates of each point for x and y gives two equations:

4 = a  (-1)² + c

8 = a (0²) + c = c

From the second one we see c=8.  Substituting into the first one,

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Answer: a=-4, c=8

Check:

f(x) = -4x² + 8

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5 0
3 years ago
Which is the best first step to write this in standard form?
goldenfox [79]

Answer:

<em>Set the function equal to 0</em>

Step-by-step explanation:

<u>Standard Form of the Quadratic Equation</u>

The form

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The equation is given in the form:

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And we need to operate the expression to make it look like a standard form. The first logical step should be to set the function equal to 0 and then start to operate the resulting expression. It can be done by subtracting 8 on both sides of the equation:

2(x-4)^2-3-8=0

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