Question 1042036: Which of the quadratic functions has the narrowest graph?
A. y = –2x2
B. y = –4x2
C. Y equals the quantity 1 divided by 7 end of quantity multiplied by x squared.
D. Y equals the quantity 1 divided by 2 end of quantity multiplied by x squared.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Which of the quadratic functions has the narrowest graph?
A. y = –2x2
B. y = –4x2
C. Y equals the quantity 1 divided by 7 end of quantity multiplied by x squared.
D. Y equals the quantity 1 divided by 2 end of quantity multiplied by x squared.
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Ans: B
Why? |-4| makes the y value increase more
rapidly |2| or |(1/7)| or |(1/2|.
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Since the y increases faster, the graph will be narrower.
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The flatest looking graph will be y = (1/7)x^2
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Cheers,
Stan H.
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