Consider the equation y=x2. Which of the following is/are true?
y is proportional to x
y is proportional to x2
The constant of proportionality is 2
x is proportional to y
Given y=x2.
Thus, we have y is directly proportional to x2 with a constant of proportionality equal to 1.
Consider the equation y=√2x. Which of the following is/are true?
In the equation y=x+3,y is directly proportional to x.