we are given

we can use vertex form parabola formula

so, we can complete x square




so, option-A........................Answer
Answer:
-3,-2,1
Step-by-step explanation:
its what x is when y=0
Answer:
Step-by-step explanation:
<h2>4/x=2/10</h2>
cross multiplication:
4*10=2*x
40=2x
x=40/2=20
<h2>w/2 = 4.5/6.8</h2>
6.8w=2(4.5)
6.8w=9
w=9/6.8=1.32352941