Answer:
The standard form of a parabola is
y=ax2+ +bx+c, where a≠0.
To find the vertex, you need to find the x- and y-coordinates.
She has 30 worms and 50 ants
a-20=w ----> a=w+20
a+w=80------> w+20+w=80 ------> 2w + 20 = 80 -----> 2w = 60
w = 30
a+30=80
a=50
Answer:
The direction that the line is going is now flipped across the y-axis.