Mr Daniels Maths
Proportion Inverse

Set 1

Set 2

Set 3

Q1) If y is inversely proportional to x. If y= 9 and x = 5.
What is the equation linking x to y? [ y =\(45 \over x \)]

Q1) If y is inversely proportional to x. If y= 17 and x = 33.
What is the value of y when x =84? [ y = 6.6785714285714]

Q1) If y is inversely proportional to \(x^3 \). If y= 0.000296875 and x= 40.
What is the value of y when x =99? [ y = 1.9581592890439E-5]

Q2) If y is inversely proportional to x. If y= 4 and x = 9.
What is the equation linking x to y? [ y =\(36 \over x \)]

Q2) If y is inversely proportional to x. If y= 19 and x = 50.
What is the value of y when x =79? [ y = 12.025316455696]

Q2) If y is inversely proportional to \(x^2 \). If y= 0.001388613370363 and x= 71.
What is the value of y when x =16? [ y = 0.02734375]

Q3) If y is inversely proportional to x. If y= 19 and x = 3.
What is the equation linking x to y? [ y =\(57 \over x \)]

Q3) If y is inversely proportional to x. If y= 10 and x = 9.
What is the value of y when x =8? [ y = 11.25]

Q3) If y is inversely proportional to \(x^2 \). If y= 0.0027041644131963 and x= 43.
What is the value of y when x =7? [ y = 0.10204081632653]

Q4) If y is inversely proportional to x. If y= 10 and x = 7.
What is the equation linking x to y? [ y =\(70 \over x \)]

Q4) If y is inversely proportional to x. If y= 20 and x = 62.
What is the value of y when x =93? [ y = 13.333333333333]

Q4) If y is inversely proportional to \(x^3 \). If y= 0.0032592592592593 and x= 15.
What is the value of y when x =62? [ y = 4.6154878990299E-5]

Q5) If y is inversely proportional to x. If y= 11 and x = 4.
What is the equation linking x to y? [ y =\(44 \over x \)]

Q5) If y is inversely proportional to x. If y= 2 and x = 40.
What is the value of y when x =87? [ y = 0.91954022988506]

Q5) If y is inversely proportional to \(x^2 \). If y= 0.0021499596882558 and x= 61.
What is the value of y when x =5? [ y = 0.32]

Q6) If y is inversely proportional to x. If y= 15 and x = 9.
What is the equation linking x to y? [ y =\(135 \over x \)]

Q6) If y is inversely proportional to x. If y= 2 and x = 19.
What is the value of y when x =6? [ y = 6.3333333333333]

Q6) If y is inversely proportional to \(x^2 \). If y= 0.0035502958579882 and x= 65.
What is the value of y when x =25? [ y = 0.024]

Q7) If y is inversely proportional to x. If y= 13 and x = 10.
What is the equation linking x to y? [ y =\(130 \over x \)]

Q7) If y is inversely proportional to x. If y= 2 and x = 73.
What is the value of y when x =19? [ y = 7.6842105263158]

Q7) If y is inversely proportional to \(x^2 \). If y= 0.035502958579882 and x= 13.
What is the value of y when x =56? [ y = 0.0019132653061224]

Q8) If y is inversely proportional to x. If y= 15 and x = 10.
What is the equation linking x to y? [ y =\(150 \over x \)]

Q8) If y is inversely proportional to x. If y= 4 and x = 35.
What is the value of y when x =72? [ y = 1.9444444444444]

Q8) If y is inversely proportional to \(x^2 \). If y= 0.0112 and x= 25.
What is the value of y when x =27? [ y = 0.00960219478738]

Q9) If y is inversely proportional to x. If y= 10 and x = 4.
What is the equation linking x to y? [ y =\(40 \over x \)]

Q9) If y is inversely proportional to x. If y= 5 and x = 86.
What is the value of y when x =66? [ y = 6.5151515151515]

Q9) If y is inversely proportional to \(x^3 \). If y= 2.3478587528174E-5 and x= 44.
What is the value of y when x =27? [ y = 0.00010161052685058]

Q10) If y is inversely proportional to x. If y= 18 and x = 3.
What is the equation linking x to y? [ y =\(54 \over x \)]

Q10) If y is inversely proportional to x. If y= 18 and x = 99.
What is the value of y when x =58? [ y = 30.724137931034]

Q10) If y is inversely proportional to \(x^3 \). If y= 0.0001484720872476 and x= 42.
What is the value of y when x =3? [ y = 0.40740740740741]