Answer:
1=21
Step-by-step explanation:
for every one you go up you move over 21
He did not perform enough trials. The more trials you perform, the closer it gets to the predicted outcome.
B I think not sure ......
Vertex form:
y-k=a(x-h)^2
h=-2,k=-20,y=-12 when x=0
thus;
-12+20=a(0+2)^2
8=4a
a=2
Equation:
y+20=2(x+2)^2
y+20=2(x^2+4x+4)
f(x)=2(x^2+4x+4)-20
f(x)=2x^2+8x+8-20
f(x)=2x^2+8x-20
Step-by-step explanation:
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