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qwelly [4]
3 years ago
14

Write an equation of the line given the two points below (Write your equation in slope-intercept form, y=mx+b): (-4, 4) and (6,

-4)
Mathematics
2 answers:
kari74 [83]3 years ago
4 0

Answer:

m = -0.8

Step-by-step explanation:

Use slope formula: (y2 - y1) / (x2 - x1)

Apply formula: ( 8 ) / (-10)

Simplify: -4 / 5

Please mark for brainliest!! :D Thanks!

For any more questions or explanation / information, please comment below and I'll respond ASAP :)

DaniilM [7]3 years ago
3 0

\bf (\stackrel{x_1}{-4}~,~\stackrel{y_1}{4})\qquad (\stackrel{x_2}{6}~,~\stackrel{y_2}{-4}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-4-4}{6-(-4)}\implies \cfrac{-8}{6+4}\implies \cfrac{-8}{10}\implies -\cfrac{4}{5}

\bf \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-4=-\cfrac{4}{5}[x-(-4)]\implies y-4=-\cfrac{4}{5}(x+4) \\\\\\ y-4=-\cfrac{4}{5}x-\cfrac{16}{5}\implies y=-\cfrac{4}{5}x-\cfrac{16}{5}+4\implies y=-\cfrac{4}{5}x+\cfrac{4}{5}

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Step-by-step explanation:

All you do to solve this is ou do 11.76 divided by 12

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3 years ago
Which sets of points represent one-to-one functions?
madreJ [45]
<h3>Two Answers: </h3><h3>Function h (third choice)</h3><h3>Function k (sixth choice, or last choice)</h3>

==========================================================

Explanation:

A function is only possible if the x values do not repeat. A relation is considered one-to-one only if the y values do not repeat. We combine the two ideas. If we want a one-to-one function, then neither x nor y can repeat.

  • Function f has y = 8 repeating, so it is not one-to-one
  • Function g is a similar story but y = 4 repeats.
  • Function h has all unique x values, and all unique y values. This function is one-to-one.
  • Function i has y = 3 repeating, so it is not one-to-one.
  • Function j has y = 16 show up more than once, so it is not one-to-one.
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Note: if we had two points like (1,2) and (3,1), then it is still one-to-one (even though the digit 1 shows up twice). This is because the set of x values {1,3} is unique, and so is the set of y values {2,1}. We look at each set separately and not combine the two sets.

4 0
2 years ago
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Vinvika [58]

Answer:

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2. (-3)^{5}

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6. 3^{2}

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9. 9^{3}

10. 4y(z^{3} )

11. r^{4}tu^{2}

12. 5^{3}q^{2}

13. 8^{2}c^{4}d^{3}

14. -w^{2} v^{5}

15. b^{9}

16. 10^{3} -2^{3} m^{3}

Hope this helps.

4 0
3 years ago
didn't know where else to place this except math cuz it's the most popular but I was wondering if I would have a "boost" bc a fa
kompoz [17]

Answer:

uh, I am 12 but I will try my best to answer your question :D

It depends if you trust the person for what they said, not sure exactly all this is, but I think if it's a private university, then it would be called a "boost"

Step-by-step explanation:

Can I have brainiest please? I mean, I did try my best to answer your question for being 12 years of age! I hope this helped you! Have a wonderful day! God bless!

3 0
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