Y - y1 = m(x - x1)
slope(m) = 6/7
(-9,6)....x1 = -9 and y1 = 6
now we sub...pay close attention to ur signs
y - 6 = 6/7(x - (-9)....not done yet
y - 6 = 6/7(x + 9) <===
20 times 4 will get to 80
Answer:
The values of a, b, and c for the quadratic equation
a=3
b=-5
c=6