Write each equation in slope-intercept form of the equation of a line. Underline the slope and circle the y-intercept in each equation.

3x+4y–12=0

4 answers

adding (-3x + 12) ... 4y = -3x + 12

dividing by 4 ... y = -3/4 x + 3

y = m x + b ... -3/4 is the slope ... 3 is the y-intercept
3x + 4y - 12 = 0.
3x + 4y =12,

Y = mx + b.
m = -A/B = -3/4.
b = C/B = -12/4 = -3.
correction: b = C/B = 12/4 = 3.

;
Thanks