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GenaCL600 [577]
3 years ago
6

WILL MARK BRAINLIEST!!! Plz help me with my math!

Mathematics
1 answer:
Ket [755]3 years ago
3 0

Answer:

y = 12

Step-by-step explanation:

y = kx

-4 = k * 2

k = -4/2 = -2

y = -2x

y = -2 * (-6)

y = 12

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If f(x) varies directly with x2, and f(x) = 96 when x = 4, find the value of f(2).
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F ( x ) = k * x²
f ( 4 ) = 96
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96 = 16 k
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k = 6
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riadik2000 [5.3K]

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3 years ago
For a line that goes through points (2,-2) and (1.-6), what is the equation
sesenic [268]

Answer:

y + 6 = 4[x - 1]\:or\:y + 2 = 4[x - 2]

Step-by-step explanation:

First find the <em>rate of</em><em> </em><em>change</em><em> </em>[<em>slope</em>]:

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Then plug each of these coordinates into the Point-Slope Formula, y - y_1 = m[x - x_1]. Now remember, in this formula, all the negative symbols give the OPPOSITE terms of what they really are, so be EXTREMELY CAREFUL inserting the coordinates into the formula with their CORRECT SIGNS:

y + 6 = 4[x - 1]\:or\:y + 2 = 4[x - 2]

I am joyous to assist you anytime.

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