Answer:
1) y = - 5/3x
2) y = - 4/3x
3) slope = - 1/17
4) slope = 6
6) y = -x - 1
7) y = -3/5x - 1/5
8) y = -x - 7
Explanation:
5x + 3y = 0
3y = 0 - 5x
y = 0/3 - 5/3x or…
y = - 5/3x
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4x + 3y = 0
3y = 0 - 4x
y = 0/3 - 4/3x or…
y = - 4/3x
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(4, -9) , (-13, -8)
m = slope
m = change in y/change in x
m = (y2 - y1)/(x2 - x1)
m = (-8 - -9)/(-13 - 4)
m = 1/-17 or…
m = - 1/17
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(8, 12) , (5, -6)
m = slope
m = change in y/change in x
m = (y2 - y1)/(x2 - x1)
m = (-6 - 12)/(5 - 8)
m = -18/-3
m = 18/3 or…
m = 6
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6)
y = -x - 1
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through (3, -2), parallel
to y = -3/5x
y = -3/5x + b
-2 = -3/5(3) + b
-2 = -9/5 + b
b = -2 - -9/5
b = - 1/5
The line would be y = -3/5x - 1/5
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y = -x
(-5, -2)
-2 = 5 + b
b = -2 - 5
b = -7
The line would be y = -x - 7