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adoni [48]
4 years ago
8

Write an equation of the line that passes through the points. Use the slope-intercept form (if possible). If not possible, expla

in why and use the general form. Use a graphing utility to graph the line (if possible).

Mathematics
1 answer:
weqwewe [10]4 years ago
5 0

Answer:

<h2>y = 7/8x -1/2 </h2><h2>y = mx+b</h2><h2>m = slope</h2><h2>Slope = 7/8</h2>

Step-by-step explanation:

(4,3)=(x_1,y_1)\\(-4,-4)=(x_2,y_2)\\\\\frac{y-y_1}{x-x_1} = \frac{y_2-y_1}{x_2-x_1}\\ \\\frac{y-3}{x-4}= \frac{-4-3}{-4-4}\\\\\frac{y-3}{x-4}=\frac{-7}{-8}  \\-8(y-3) =-7(x-4)\\-8y +24=-7x +28\\-8y =-7x +28-24\\-8y = -7x +4\\Divde\:both\:sides\:of\:the\:equation\:by\: -8\\\\\frac{-8y}{-8} = \frac{-7x}{-8} +\frac{4}{-8}\\\\y = \frac{7}{8}x  -\frac{1}{2}

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Answer:

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5 0
2 years ago
Find the point P along the directed line segment from point A(-16,-8) to point B(0,-17) that divides the segment in the ratio 7
bonufazy [111]

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Steps:

Draw the directed line in a chart, including points A and B.

Look for the x coordinate of P:

the distance |B-A| along the x coord is |0-(-16)|=16

we are looking for a proportion of 7/13 of that:

the x coord of P is 16*7/13 to the right of -16, or -16+8.62= -7.38

Look for  y coordinate of P:

the distance |B-A| along the y coord is |-17-(-8)|=9

we are looking for a proportion of 7/13 of that:

the y coord of P is 9*7/13 down from -8, or -8-4.85= -12.85

so the point P is P(-7.38,12.85)


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3 years ago
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