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Question:
Find the equation of the line with y-intercept -2 and passing though the point (2.5). Show your work. What is the equation of
a line perpendicular to this line, but with the same y-intercept? Explain your answer.

Respuesta :

amelia6707

Answer:

y=mx+b

y=mx-2

5=2m-2

7=2m

m=3.5

Equation: y=3.5x-2

Perpendicular lines have slopes that are the opposite of the reciprocal of each other.

so -1/3.5=-2/7

Equation: y=-2/7x-2