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m= -4-5 / 2-0 = -9/2
y-y1= m(x-x1)
y-(-4) = -9/2(x-2)
y+4= -9/2x + 9
y = -9/2x +9-4
y = -9/2x + 5
2.
m= 3-6 / -5-(-4) = -3/-1 = 3
y-y1 = m(x-x1)
y-3 = 3(x-(-5))
y-3 = 3x + 15
y = 3x + 15 +3
y= 3x + 18
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