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What is the equation of the line passing through #(3,3)# and #(-4,12)#?

Answer 1

Eva Adamson

#y=-9/7x+48/7#

#"use the fallowing equation"# #(y_2-y_1)/(x_2-x_1)=(y-y_2)/(x-x_2)#

#x_1=3# #x_2=-4# #y_1=3# #y_2=12#

#(12-3)/(-4-3)=(y-12)/(x+4)#

#9/-7=(y-12)/(x+4)#

#9(x+4)=-7(y-12)#

#9x+36=-7y+84#

#7y=-9x+84-36#

#7y=-9x+48#

#y=-9/7x+48/7#

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Answer 2

Eli Assouline

The equation of the line passing through the points (3,3) and (-4,12) is y = -\frac{3}{7}x + \frac{36}{7}.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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