Mr Daniels Maths
Proportion Inverse

Set 1

Set 2

Set 3

Q1) If y is inversely proportional to x. If y= 9 and x = 8.
What is the equation linking x to y? [ y =\(72 \over x \)]

Q1) If y is inversely proportional to x. If y= 2 and x = 7.
What is the value of y when x =27? [ y = 0.51851851851852]

Q1) If y is inversely proportional to \(x^2 \). If y= 0.00031884366032522 and x= 97.
What is the value of y when x =60? [ y = 0.00083333333333333]

Q2) If y is inversely proportional to x. If y= 6 and x = 9.
What is the equation linking x to y? [ y =\(54 \over x \)]

Q2) If y is inversely proportional to x. If y= 19 and x = 39.
What is the value of y when x =40? [ y = 18.525]

Q2) If y is inversely proportional to \(x^3 \). If y= 8.3707446878814E-5 and x= 61.
What is the value of y when x =47? [ y = 0.00018300376602487]

Q3) If y is inversely proportional to x. If y= 10 and x = 9.
What is the equation linking x to y? [ y =\(90 \over x \)]

Q3) If y is inversely proportional to x. If y= 9 and x = 2.
What is the value of y when x =90? [ y = 0.2]

Q3) If y is inversely proportional to \(x^3 \). If y= 6.7998878018513E-5 and x= 49.
What is the value of y when x =36? [ y = 0.00017146776406036]

Q4) If y is inversely proportional to x. If y= 12 and x = 2.
What is the equation linking x to y? [ y =\(24 \over x \)]

Q4) If y is inversely proportional to x. If y= 2 and x = 41.
What is the value of y when x =26? [ y = 3.1538461538462]

Q4) If y is inversely proportional to \(x^3 \). If y= 8.7791495198903E-5 and x= 45.
What is the value of y when x =20? [ y = 0.001]

Q5) If y is inversely proportional to x. If y= 15 and x = 2.
What is the equation linking x to y? [ y =\(30 \over x \)]

Q5) If y is inversely proportional to x. If y= 12 and x = 49.
What is the value of y when x =6? [ y = 98]

Q5) If y is inversely proportional to \(x^2 \). If y= 0.0051775147928994 and x= 52.
What is the value of y when x =77? [ y = 0.0023612750885478]

Q6) If y is inversely proportional to x. If y= 10 and x = 4.
What is the equation linking x to y? [ y =\(40 \over x \)]

Q6) If y is inversely proportional to x. If y= 7 and x = 95.
What is the value of y when x =76? [ y = 8.75]

Q6) If y is inversely proportional to \(x^2 \). If y= 0.0089795918367347 and x= 35.
What is the value of y when x =38? [ y = 0.007617728531856]

Q7) If y is inversely proportional to x. If y= 4 and x = 9.
What is the equation linking x to y? [ y =\(36 \over x \)]

Q7) If y is inversely proportional to x. If y= 16 and x = 51.
What is the value of y when x =68? [ y = 12]

Q7) If y is inversely proportional to \(x^3 \). If y= 3.7296871911353E-6 and x= 93.
What is the value of y when x =80? [ y = 5.859375E-6]

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= 10 and x = 61.
What is the value of y when x =53? [ y = 11.509433962264]

Q8) If y is inversely proportional to \(x^3 \). If y= 0.001088 and x= 25.
What is the value of y when x =17? [ y = 0.0034602076124567]

Q9) If y is inversely proportional to x. If y= 18 and x = 2.
What is the equation linking x to y? [ y =\(36 \over x \)]

Q9) If y is inversely proportional to x. If y= 13 and x = 53.
What is the value of y when x =31? [ y = 22.225806451613]

Q9) If y is inversely proportional to \(x^3 \). If y= 0.000152587890625 and x= 32.
What is the value of y when x =94? [ y = 6.0198607245023E-6]

Q10) If y is inversely proportional to x. If y= 17 and x = 9.
What is the equation linking x to y? [ y =\(153 \over x \)]

Q10) If y is inversely proportional to x. If y= 7 and x = 33.
What is the value of y when x =43? [ y = 5.3720930232558]

Q10) If y is inversely proportional to \(x^2 \). If y= 0.006198347107438 and x= 22.
What is the value of y when x =76? [ y = 0.00051939058171745]