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miskamm [114]
2 years ago
9

Write the equation of a line that passws through the point (1,7) and is perpendicular to y=1/2x-5

Mathematics
1 answer:
Firdavs [7]2 years ago
5 0

Answer:

y=-2x+5

Step-by-step explanation:

For one line to be perpendicular to another, their slopes must multiply to -1. So, we really want the line with slope $-1/(1/2)$ = -2$ that passes through the point (1, 7).

Recall the point-slope form of a line. If you have a point $(x_{1}, y_{1})$ and a slope m, the line through that point with the given slope is $y-y_{1}=m(x-x_{1})$. Plugging in our given point and slope gives our line: y-7=-2(x-1)(point-slope form).

We can convert this line to slope-intercept form, the most common form by expanding the right side and adding 7 to get y by itself:

y-7=-2x+2

y=-2x+5

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