3 and 4
Step-by-step explanation:
y=5x
y=5(0)
y=0
y=5(10)
y=50
y=5(51)
y=255
y=5(400)
y=2000
thr standard form for a quadratic equation is:
ax²+bx+c
in this example, a=1, b=(-1), c=(-42)
Answer:
8
It would be 7 + 2x = 15