Determine and describe the ​number​ and ​type​ of roots of the quadratic functions. Show any and all work necessary to determine your answer. Justify your answer with appropriate reasoning. a) y=3x^2+7x+8
b) y=2x^2-7x-2
c) y=9x^2+30x+25

i dont know it

step-by-step explanation:

b.my answer is b.

brainliest

answ5

step-by-step explanation:

u have to pay atttion to me

y = 3x+4

step-by-step explanation:

to find the slope

slope = (y2-y1)/ (x2-x1)

    = (-8-4)/ (-4-0)

    = -12/-4

  = 3

using the slope intercept form of a line

y= mx+b

we know the slope is 3

we know the y intercept is 4 ( the point where it crosses the y axis or x=0)

y = 3x+4