Proportion Direct

## Difficult

Q1) If y is proportional to x. If y= 30 and x = 2.
What is the equation linking x to y?
Q1) If y is proportional to x. If y= 30 and x = 10.
What is the value of y when x =1?
Q1) If y is proportional to $x^3$. If y= 4608 and x = 8.
What is the value of y when x =2?
Q2) If y is proportional to x. If y= 30 and x = 6.
What is the equation linking x to y?
Q2) If y is proportional to x. If y= 22 and x = 2.
What is the value of y when x =4?
Q2) If y is proportional to $x^2$. If y= 224 and x = 4.
What is the value of y when x =2?
Q3) If y is proportional to x. If y= 48 and x = 6.
What is the equation linking x to y?
Q3) If y is proportional to x. If y= 63 and x = 9.
What is the value of y when x =1?
Q3) If y is proportional to $x^2$. If y= 160 and x = 4.
What is the value of y when x =5?
Q4) If y is proportional to x. If y= 64 and x = 4.
What is the equation linking x to y?
Q4) If y is proportional to x. If y= 12 and x = 2.
What is the value of y when x =4?
Q4) If y is proportional to $x^3$. If y= 640 and x = 4.
What is the value of y when x =6?
Q5) If y is proportional to x. If y= 6 and x = 3.
What is the equation linking x to y?
Q5) If y is proportional to x. If y= 34 and x = 2.
What is the value of y when x =3?
Q5) If y is proportional to $x^2$. If y= 931 and x = 7.
What is the value of y when x =6?
Q6) If y is proportional to x. If y= 18 and x = 9.
What is the equation linking x to y?
Q6) If y is proportional to x. If y= 54 and x = 6.
What is the value of y when x =1?
Q6) If y is proportional to $x^3$. If y= 3645 and x = 9.
What is the value of y when x =6?
Q7) If y is proportional to x. If y= 114 and x = 6.
What is the equation linking x to y?
Q7) If y is proportional to x. If y= 48 and x = 8.
What is the value of y when x =2?
Q7) If y is proportional to $x^2$. If y= 75 and x = 5.
What is the value of y when x =1?
Q8) If y is proportional to x. If y= 36 and x = 9.
What is the equation linking x to y?
Q8) If y is proportional to x. If y= 56 and x = 4.
What is the value of y when x =6?
Q8) If y is proportional to $x^3$. If y= 1536 and x = 8.
What is the value of y when x =4?
Q9) If y is proportional to x. If y= 40 and x = 10.
What is the equation linking x to y?
Q9) If y is proportional to x. If y= 36 and x = 3.
What is the value of y when x =2?
Q9) If y is proportional to $x^2$. If y= 1024 and x = 8.
What is the value of y when x =6?
Q10) If y is proportional to x. If y= 84 and x = 6.
What is the equation linking x to y?
Q10) If y is proportional to x. If y= 18 and x = 6.
What is the value of y when x =8?
Q10) If y is proportional to $x^2$. If y= 144 and x = 3.
What is the value of y when x =1?