Question

Write the equation of the line, with the given properties, in slope-intercept form Slope = -3, through (-6,9)

Answer 1

y = -3x -9 is the answer for this one.

Answer 2

Form: y = mx + b

Substitute and solve for b:
9 = (-3 * -6) + b
9 = 18 + b
-9 = b

Equation:
y = -3x - 9