Write the equation of the line given the following informati

Write the equation of the line given the following information

Solution

Std equation of line: y = mx +c

where m is the slope and c = y intercept

i ) m= -7/3 c =3

y= -7x/3 +3

ii) m = -1; c= -2

y = -x -2

iii) From the graph : y intercept c= 3

Lets find two points to calculate slope m ( 0,3) and ( -2, 2)

m = (2-3)/( -2-0) = -1/-2 = 1/2

y = x/2 +3 ( Equation)

iv) Point ( 3, -4) and m = -1/3

We would use ( 3, -4) to find c

So, y = -x/3 +c.Plug the point ( 3, -4)

-4 = -3/3 +c ----> c= -3

y = -x/3 -3

 Write the equation of the line given the following information SolutionStd equation of line: y = mx +c where m is the slope and c = y intercept i ) m= -7/3 c =

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