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2 years ago

4. A straight line passes through points (3, 12) and (7,4). What is the equation of the line?

Mathematics

2 answers:

jeyben [28]2 years ago

6 0

Answer:

slope is -2 (-8/4)

point slope formula y=y1=m(x-x1) m slope (x1, y1) point

y-4=-2(x-7)

y=-2x+18

Arte-miy333 [17]2 years ago

4 0

Answer:

y=-2x+18

Step-by-step explanation:

Since the y-value is going down, we can assume that the line is going negative. As the midpoint is (5, 8), you should subtract 2 units from 3 and 4 units from 12 to get (1, 16) and therefore to get to (-1, 20), since the y-intercept is 18, the slope is 2, and it is going negative, your final answer is y=-2x+18.

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2 years ago

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3 years ago

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3 years ago

Click the photo to solve the photo

dangina [55]

Answer:

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Step-by-step explanation:

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