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Elenna [48]
3 years ago
9

Complete the equation of the line through (−10,3) and (-8,-8)

Mathematics
2 answers:
yawa3891 [41]3 years ago
8 0

Answer: y = (-11/2)x -52

Aka y=mx*b

Step-by-step explanation:

Veronika [31]3 years ago
5 0

(\stackrel{x_1}{-10}~,~\stackrel{y_1}{3})\qquad(\stackrel{x_2}{-8}~,~\stackrel{y_2}{-8})\\\\\\% slope = m\stackrel{slope}{m}\implies\cfrac{\stackrel{rise}{\stackrel{y_2}{-8}-\stackrel{y1}{3}}}{\underset{run}{\underset{x_2}{-8}-\underset{x_1}{(-10)}}}\implies \cfrac{-11}{-8+10}\implies \cfrac{-11}{2}

\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-\stackrel{y_1}{3}=\stackrel{m}{-\cfrac{11}{2}}[x-\stackrel{x_1}{(-10)}]\\\\\\ y-3=-\cfrac{11}{2}(x+10)\implies y-3=-\cfrac{11}{2}x-55\implies y = -\cfrac{11}{2}x-52

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ohaa [14]
Pick 2 points on ur line and use the slope formula : (y2 - y1) / (x2 - x1)

(y2 - y1) / (x2 - x1)
(-9,0)....x1 = -9 and y1 = 0
(0,6).... x2 = 0 and y2 = 6
now sub
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ur y intercept is where ur line crosses the y axis...and that would be (0,6)....or just 6 <==

5 0
3 years ago
3. 2x – y = -7<br> 4x – y = -4<br> A) (-1.5, 4)<br> B) (1.5, 10)<br> C) (4, -1.5)<br> D) (-1.5, -2)
marishachu [46]
Multiply first equaton by -1 and add to first

-2x+y=7
<u>4x-y=-4 +</u>
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sub
2x-y=-7
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B is ansre
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3 years ago
One leg of a right isosceles Triangle is 6ft what is The area of The Triangle
AVprozaik [17]

Answer:

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Step-by-step explanation:

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5 0
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3 years ago
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