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WARRIOR [948]
3 years ago
7

What is the y-intercept of a line perpendicular to y= 1/2x + 6 that passes through the point (4,-3)

Mathematics
1 answer:
zalisa [80]3 years ago
5 0

Answer:

(0,5)

Step-by-step explanation:

Perpendicular lines have slopes which are negative reciprocals of each other. The slope of the line y=1/2x + 6 is 1/2. The slope perpendicular to it is -2.

Using m=-2, substitute it and (4,-3) into the point slope form and simplify to find the y-intercept.

y-y_1 = m(x-x_1)\\y--3=-2(x-4)\\y+3=-2(x-4)\\y+3=-2x+8\\y=-2x+5

The equation is now in slope intercept form y=mx+b and b is the y-intercept. The y-intercept of y=-2x+5 is (0,5).

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As we know that the area of a rectangle is -

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So, here length = (3n+1)

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frozen [14]

Answer:

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Step-by-step explanation:

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If my answer is incorrect, pls correct me!

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Nookie1986 [14]
Happy to help :)
after 1 yr- 3905.25 km2
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3 yrs- approx. 3543.06 km2
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