Mr Daniels Maths
Proportion Inverse

Set 1

Set 2

Set 3

Q1) If y is inversely proportional to x. If y= 7 and x = 7.
What is the equation linking x to y? [ y =\(49 \over x \)]

Q1) If y is inversely proportional to x. If y= 3 and x = 21.
What is the value of y when x =57? [ y = 1.1052631578947]

Q1) If y is inversely proportional to \(x^3 \). If y= 0.00011739293764087 and x= 44.
What is the value of y when x =38? [ y = 0.00018224230937454]

Q2) If y is inversely proportional to x. If y= 3 and x = 9.
What is the equation linking x to y? [ y =\(27 \over x \)]

Q2) If y is inversely proportional to x. If y= 19 and x = 58.
What is the value of y when x =84? [ y = 13.119047619048]

Q2) If y is inversely proportional to \(x^3 \). If y= 1.9082027274578E-5 and x= 68.
What is the value of y when x =95? [ y = 6.9981046799825E-6]

Q3) If y is inversely proportional to x. If y= 9 and x = 2.
What is the equation linking x to y? [ y =\(18 \over x \)]

Q3) If y is inversely proportional to x. If y= 17 and x = 100.
What is the value of y when x =18? [ y = 94.444444444444]

Q3) If y is inversely proportional to \(x^3 \). If y= 0.00033333333333333 and x= 30.
What is the value of y when x =95? [ y = 1.0497157019974E-5]

Q4) If y is inversely proportional to x. If y= 20 and x = 3.
What is the equation linking x to y? [ y =\(60 \over x \)]

Q4) If y is inversely proportional to x. If y= 10 and x = 88.
What is the value of y when x =56? [ y = 15.714285714286]

Q4) If y is inversely proportional to \(x^3 \). If y= 4.5218020424632E-5 and x= 66.
What is the value of y when x =23? [ y = 0.001068463877702]

Q5) If y is inversely proportional to x. If y= 12 and x = 6.
What is the equation linking x to y? [ y =\(72 \over x \)]

Q5) If y is inversely proportional to x. If y= 10 and x = 98.
What is the value of y when x =91? [ y = 10.769230769231]

Q5) If y is inversely proportional to \(x^3 \). If y= 2.3179756907568E-5 and x= 78.
What is the value of y when x =83? [ y = 1.9237933006522E-5]

Q6) If y is inversely proportional to x. If y= 10 and x = 3.
What is the equation linking x to y? [ y =\(30 \over x \)]

Q6) If y is inversely proportional to x. If y= 16 and x = 59.
What is the value of y when x =37? [ y = 25.513513513514]

Q6) If y is inversely proportional to \(x^3 \). If y= 0.00011307868014565 and x= 51.
What is the value of y when x =35? [ y = 0.00034985422740525]

Q7) If y is inversely proportional to x. If y= 4 and x = 6.
What is the equation linking x to y? [ y =\(24 \over x \)]

Q7) If y is inversely proportional to x. If y= 3 and x = 50.
What is the value of y when x =16? [ y = 9.375]

Q7) If y is inversely proportional to \(x^3 \). If y= 0.000171875 and x= 40.
What is the value of y when x =61? [ y = 4.8462206087734E-5]

Q8) If y is inversely proportional to x. If y= 2 and x = 7.
What is the equation linking x to y? [ y =\(14 \over x \)]

Q8) If y is inversely proportional to x. If y= 3 and x = 14.
What is the value of y when x =20? [ y = 2.1]

Q8) If y is inversely proportional to \(x^2 \). If y= 0.0011897679952409 and x= 41.
What is the value of y when x =64? [ y = 0.00048828125]

Q9) If y is inversely proportional to x. If y= 3 and x = 3.
What is the equation linking x to y? [ y =\(9 \over x \)]

Q9) If y is inversely proportional to x. If y= 17 and x = 60.
What is the value of y when x =35? [ y = 29.142857142857]

Q9) If y is inversely proportional to \(x^2 \). If y= 0.011834319526627 and x= 39.
What is the value of y when x =73? [ y = 0.0033777444173391]

Q10) If y is inversely proportional to x. If y= 13 and x = 2.
What is the equation linking x to y? [ y =\(26 \over x \)]

Q10) If y is inversely proportional to x. If y= 15 and x = 18.
What is the value of y when x =32? [ y = 8.4375]

Q10) If y is inversely proportional to \(x^2 \). If y= 0.078125 and x= 8.
What is the value of y when x =72? [ y = 0.00096450617283951]