Question

Find the equation of a line whose y-intercept is -1 and inclination 45°

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Answer 1

Solution:

/* Equation of a line whose

inclination (m)= tanx°, y-intercept (c)

is y = mx+c */

Here ,

y-intercept (c) = -1

inclination (m) = tan45° = 1

y = 1x+(-1)

=> y = x -1

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