3 years ago

What is the equation of the line that passes through the point (-4,-2) and has a slope of -1/2

Mathematics

1 answer:

vampirchik [111]3 years ago

4 0

Answer: y=-1/2x-4

Step-by-step explanation:

If you use point slope formula you get

y+2=-1/2(x+4)

simplify that in y=mx+b and you get

y=-1/2x-4

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Read 2 more answers

write the slope - intercept equation of the line that passes through the point (6, "-1)" and has a slope of "-1/3"

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Answer:

y = - $\frac{1}{3}$ x + 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - $\frac{1}{3}$ , then

y = - $\frac{1}{3}$ x + c ← is the partial equation

To find c substitute (6, - 1 ) into the partial equation

- 1 = - 2 + c ⇒ c = - 1 + 2 = 1

y = - $\frac{1}{3}$ x + 1 ← equation of line

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