Question

y varies directly as the square of x. When x = 1, y = 3. What is the value of y when x = 3?

1
9
27
81

Answer 1

@Cosmichaotic

Answer 2

hello
here it is says one thing is directly to the other it means that if u increase the one things 2 times than the second thing will also be increased 2 times so the correct answer is 1

Answer 3

because when x=1 is directly to the y then y must be 1