Question

Which equation has a slope of -1 and passes through the point (4,-5)

Answer 1

y = -x - 1

Explanation:

y = mx +c

y = -x + c [ m = slope]

As the line passes through (4,-5)

-5 = -4 + c [Substituting value of x and y]

c = -1 [Solving the above equation]