3 years ago

What is the y-intercept of the quadratic function fb) = (x-6)(x - 2)?

Mathematics

1 answer:

Rufina [12.5K]3 years ago

6 0

Answer:

x^2-8x+12

Step-by-step explanation:

im 75% sure this is correct

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Can someone help me with this question?

andre [41]

The y-intercept (where x = 0) of the equation is at -20.

For every 60 the x runs, the y falls by -10. Use rise over run to determine the slope of the equation.

$\frac{-10}{60} = - \frac{1}{6}$

Slope-intercept form is determined by the following equation:

$y = mx + b$

m is your slope, and b is your y-intercept.

Plug the slope and y-intercept into the equation.

$y = -\frac{1}{6}x - 20$

4 0

3 years ago

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Value of t? 1.4t — 0.4 (t — 3.1) = 5.8

IceJOKER [234]

Hi!

<h3>Use the distribution property</h3>

1.4t — 0.4 * t - 0.4 * —3.1 = 5.8

1.4t — 0.4t - 1.24 = 5.8

<h3>Simplify</h3>

1t - 1.24 = 5.8

<h3>Add 1.24 to both sides</h3>

1t - 1.24 + 1.24 = 5.8 + 1.24

1t = 7.04

<h2>The answer is t = 7.04</h2>

Hope this helps! :)

-Peredhel

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3 years ago

A direct variation function contains the points (2, 14) and (4, 28). Which equation represents the function?

IgorC [24]

Direct variation mean x =ky so y = x/k

(2,14) mean y = kx so 14 = k*2 so 14 = 7*2 so 14 = 14
(4,28) mean y = kx so 28 = k*4 so 28 = 7*4 so 28 = 28

from these result that the 3rd choice is right sure

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3 years ago

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Help me with 8-9 if you get it right i would give you brain list have a good day!

ad-work [718]

Answer:

i cant help with that cause i have no way of drawing

Step-by-step explanation:

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3 years ago

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The points (2, -12) and (4, r) lie on a line with slope 4. Find the missing coordinate r.