Which of the following equation of quadratic functions has a vertex at (1,0)?
a. y= 2x2
b. y= 2x2 + 3
c. y= 2(x - 1)2
d. y= 2(x - 1)2 + 3
a. y= 2x2
b. y= 2x2 + 3
c. y= 2(x - 1)2
d. y= 2(x - 1)2 + 3
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ASWER
c po
Step-by-step explanation:
y=a(x-1)2+1
-1=a+1
a=-2
So,
y=-2(x-1)2+1=-2x2+4x-1.