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4 votes
a line passes through (-4,7) and has a slope of -5/4 write an equation in slope intercept for this line

User Fame Th
by
7.4k points

2 Answers

1 vote
y - y₁ = m(x - x₁)
y - 7 = -1¹/₄(x - (-4))
y - 7 = -1¹/₄(x + 4)
y - 7 = -1¹/₄(x) - 1¹/₄(4)
y - 7 = -1¹/₄x - 5
+ 7 + 7
y = -1¹/₄x + 2
User Alex Taylor
by
7.1k points
3 votes

y=mx+b

y=7 m=-5/4 x=-4 b=?

7=-5/4(-4)+b

7=5+b

7-5=5-5+b

b=2


Therefore, the equation is y=-5/4x+2

That's it.

User Nikos Hidalgo
by
7.2k points