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Variable y varies directly with x2, and y = 18 when x = 6. Which graph represents the quadratic variation?

1 Answer

2 votes
lets find the equation that represents that relationship:
y = zx^2
plug in data:
18 = z(6)^2
18 = z(36)
z = 1/2
then the equation is:
y = (1/2)x^2
now you just have to plot that equation
User SathOkh
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