Never seen the exact thing before
But if I’m not mistaken
a should be the number before x^2
b is before x
c is the last number
including the negative sign!
42 6 7 times is 42 so the answer will be 42
If you are looking for the equation of the line,
Use Point Slope Form

y-4 = 3(x-1)
y-4 = 3x-3
y = 3x + 1
Answer: the slope would be a negative slope with -15 as the y intercept.
Step-by-step explanation: