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kaheart [24]
3 years ago
7

What is the equation in point−slope form of the line passing through (2, 2) and (4, 8)?

Mathematics
2 answers:
Vladimir [108]3 years ago
8 0
M = (8-2)/(4-2) = 6/2 = 3

equation <span>in point−slope form
</span>
y - 2 = 3(x - 2)
or
y - 8 = 3(x - 4)

hope it helps
prohojiy [21]3 years ago
3 0
Y-2=3(x-2)
y-2=3x-6
y=3x-4
hope this helps u out :D
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Given this function: f ( x )=−2cos(4 πx ) Find the following:
Neporo4naja [7]

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Period =½

Equation of midline, y=0

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Minimum=-2

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The given function is

f(x) =  - 2 \cos(4 \pi \: x)

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zepelin [54]

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Look at answer 2:  7x + 3x = 10x, which does not match the middle term 12x in the original polynomial.  Eliminate answer 2.

Look at answer 1:  1x + 21x = 22x, which does not match the middle term of the original polynomial.   Eliminate answer 1.

All quadratics have solutions.  Let's apply the quadratic formula to 3x^2 + 12x + 7:  Here a = 3, b = 12 and c = 7, so that the discriminant b²-4ac is

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      -12 ± √60        -12 + 2√15                     -12 - 2√15

x = ----------------- = -------------------  and   x = --------------------

            3                         3                                     3

Normally, if c is a root, then x - c is a factor.

If we try this here, however, the resulting factors do not at all match any of your answer choices.

Don't be offended...but please ensure you have copied this problem down correctly.

                                                           

3 0
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