Question

Find the equation of a straight line whose inclination is 45° and whose y-intercept is -3.

Answer 1

Answer:

x-y-3

Step-by-step explanation:

y=mx+c

m= slope

c= y-intercept

Answer 2

Step-by-step explanation:

Let m be the slope of the line

then,

m= tan

45°=1

Also y - intercept is -3

i.e

c= -3

because

the equation is -3

I.e

x-y-3=0

l y= mx + c l

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