Mr Daniels Maths
Proportion Inverse

Set 1

Set 2

Set 3

Q1) If y is inversely proportional to x. If y= 17 and x = 8.
What is the equation linking x to y? [ y =\(136 \over x \)]

Q1) If y is inversely proportional to x. If y= 9 and x = 88.
What is the value of y when x =15? [ y = 52.8]

Q1) If y is inversely proportional to \(x^3 \). If y= 0.00030210466248196 and x= 31.
What is the value of y when x =79? [ y = 1.8254134054304E-5]

Q2) If y is inversely proportional to x. If y= 11 and x = 2.
What is the equation linking x to y? [ y =\(22 \over x \)]

Q2) If y is inversely proportional to x. If y= 8 and x = 25.
What is the value of y when x =60? [ y = 3.3333333333333]

Q2) If y is inversely proportional to \(x^3 \). If y= 4.8597949166545E-5 and x= 57.
What is the value of y when x =20? [ y = 0.001125]

Q3) If y is inversely proportional to x. If y= 3 and x = 10.
What is the equation linking x to y? [ y =\(30 \over x \)]

Q3) If y is inversely proportional to x. If y= 5 and x = 5.
What is the value of y when x =41? [ y = 0.60975609756098]

Q3) If y is inversely proportional to \(x^3 \). If y= 0.0010810195721438 and x= 26.
What is the value of y when x =86? [ y = 2.9871583634145E-5]

Q4) If y is inversely proportional to x. If y= 5 and x = 7.
What is the equation linking x to y? [ y =\(35 \over x \)]

Q4) If y is inversely proportional to x. If y= 8 and x = 80.
What is the value of y when x =5? [ y = 128]

Q4) If y is inversely proportional to \(x^2 \). If y= 0.0044378698224852 and x= 26.
What is the value of y when x =93? [ y = 0.00034686090877558]

Q5) If y is inversely proportional to x. If y= 13 and x = 7.
What is the equation linking x to y? [ y =\(91 \over x \)]

Q5) If y is inversely proportional to x. If y= 14 and x = 61.
What is the value of y when x =98? [ y = 8.7142857142857]

Q5) If y is inversely proportional to \(x^2 \). If y= 0.051020408163265 and x= 14.
What is the value of y when x =17? [ y = 0.034602076124567]

Q6) If y is inversely proportional to x. If y= 19 and x = 6.
What is the equation linking x to y? [ y =\(114 \over x \)]

Q6) If y is inversely proportional to x. If y= 10 and x = 99.
What is the value of y when x =10? [ y = 99]

Q6) If y is inversely proportional to \(x^2 \). If y= 0.010701545778835 and x= 29.
What is the value of y when x =84? [ y = 0.0012755102040816]

Q7) If y is inversely proportional to x. If y= 3 and x = 5.
What is the equation linking x to y? [ y =\(15 \over x \)]

Q7) If y is inversely proportional to x. If y= 5 and x = 28.
What is the value of y when x =73? [ y = 1.9178082191781]

Q7) If y is inversely proportional to \(x^2 \). If y= 0.0069204152249135 and x= 51.
What is the value of y when x =69? [ y = 0.0037807183364839]

Q8) If y is inversely proportional to x. If y= 12 and x = 2.
What is the equation linking x to y? [ y =\(24 \over x \)]

Q8) If y is inversely proportional to x. If y= 9 and x = 26.
What is the value of y when x =41? [ y = 5.7073170731707]

Q8) If y is inversely proportional to \(x^3 \). If y= 0.0013148009015778 and x= 22.
What is the value of y when x =12? [ y = 0.0081018518518519]

Q9) If y is inversely proportional to x. If y= 10 and x = 2.
What is the equation linking x to y? [ y =\(20 \over x \)]

Q9) If y is inversely proportional to x. If y= 5 and x = 69.
What is the value of y when x =91? [ y = 3.7912087912088]

Q9) If y is inversely proportional to \(x^2 \). If y= 0.078125 and x= 8.
What is the value of y when x =5? [ y = 0.2]

Q10) If y is inversely proportional to x. If y= 11 and x = 5.
What is the equation linking x to y? [ y =\(55 \over x \)]

Q10) If y is inversely proportional to x. If y= 5 and x = 79.
What is the value of y when x =37? [ y = 10.675675675676]

Q10) If y is inversely proportional to \(x^3 \). If y= 0.00025155017797175 and x= 43.
What is the value of y when x =44? [ y = 0.00023478587528174]