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ELEN [110]
3 years ago
5

What is the equation of the line that passes through (4, -1) and (-2, 3)?

Mathematics
2 answers:
inessss [21]3 years ago
8 0
(4,-1),(-2,3)
slope = (3 - (-1) / (-2 - 4) = -4/6 = -2/3

y = mx + b
slope(m) = -2/3
use either of ur points...(4,-1)...x = 4 and y = -1
now sub into the formula and find b, the y int
-1 = -2/3(4) + b
-1 = -8/3 + b
-1 + 8/3 = b
-3/3 + 8/3 = b
5/3 = b
so ur equation is : y = -2/3x + 5/3
DerKrebs [107]3 years ago
6 0

Answer:

The equation of line is y=-\frac{2}{3}(x)+\frac{5}{3}.

Step-by-step explanation:

If a line passes though two points then the equation of line is

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

The line passes through the points (4, -1) and (-2, 3), so the equation of line is

y-(-1)=\frac{3-(-1)}{-2-4}(x-4)

On simplification we get

y+1=\frac{3+1}{-6}(x-4)

y+1=\frac{4}{-6}(x-4)

y+1=-\frac{2}{3}(x-4)

Using distributive property,

y+1=-\frac{2}{3}(x)-\frac{2}{3}(-4)

y+1=-\frac{2}{3}(x)+\frac{8}{3}

Subtract  from both the sides.

y=-\frac{2}{3}(x)+\frac{8}{3}-1

y=-\frac{2}{3}(x)+\frac{5}{3}

Therefore the he equation of line is y=-\frac{2}{3}(x)+\frac{5}{3}.

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Given △MON≅△PQR with MO=20 , MN=32 and PR=3x−10. Find the value of x.<br><br> show your work
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Step-by-step explanation:

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