Question

What is the slope-intercept form of the equation of the line that passes through the points (9,5) and (4,1)

y= 4/5x+2/5

y=4/5x-11/5

y=4/5x+41/5

y=4/5x-4/5

Answer 1

the answer is y=4/5x-11/5

Explanation:

i took the quiz

Answer 2

y-y1 / x-x1 to get slope
5 - 1 / 9 - 4
m (slope) = 4/5
plug in one point to get b
1 = 4/5(4) + b
1 = 16/5 + b
b = -15/5
y = 4/5x - 15/5