Mr Daniels Maths
Proportion Inverse

Set 1

Set 2

Set 3

Q1) If y is inversely proportional to x. If y= 4 and x = 2.
What is the equation linking x to y? [ y =\(8 \over x \)]

Q1) If y is inversely proportional to x. If y= 20 and x = 75.
What is the value of y when x =25? [ y = 60]

Q1) If y is inversely proportional to \(x^2 \). If y= 0.00071111111111111 and x= 75.
What is the value of y when x =57? [ y = 0.0012311480455525]

Q2) If y is inversely proportional to x. If y= 17 and x = 7.
What is the equation linking x to y? [ y =\(119 \over x \)]

Q2) If y is inversely proportional to x. If y= 17 and x = 70.
What is the value of y when x =68? [ y = 17.5]

Q2) If y is inversely proportional to \(x^2 \). If y= 0.0053748992206396 and x= 61.
What is the value of y when x =69? [ y = 0.0042007981516488]

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= 18 and x = 48.
What is the value of y when x =30? [ y = 28.8]

Q3) If y is inversely proportional to \(x^2 \). If y= 0.023781212841855 and x= 29.
What is the value of y when x =52? [ y = 0.007396449704142]

Q4) If y is inversely proportional to x. If y= 7 and x = 8.
What is the equation linking x to y? [ y =\(56 \over x \)]

Q4) If y is inversely proportional to x. If y= 2 and x = 45.
What is the value of y when x =21? [ y = 4.2857142857143]

Q4) If y is inversely proportional to \(x^3 \). If y= 0.014577259475219 and x= 7.
What is the value of y when x =97? [ y = 5.4784134076498E-6]

Q5) If y is inversely proportional to x. If y= 6 and x = 9.
What is the equation linking x to y? [ y =\(54 \over x \)]

Q5) If y is inversely proportional to x. If y= 10 and x = 96.
What is the value of y when x =66? [ y = 14.545454545455]

Q5) If y is inversely proportional to \(x^2 \). If y= 0.004 and x= 50.
What is the value of y when x =3? [ y = 1.1111111111111]

Q6) If y is inversely proportional to x. If y= 11 and x = 7.
What is the equation linking x to y? [ y =\(77 \over x \)]

Q6) If y is inversely proportional to x. If y= 10 and x = 3.
What is the value of y when x =96? [ y = 0.3125]

Q6) If y is inversely proportional to \(x^3 \). If y= 0.0068274920345926 and x= 13.
What is the value of y when x =29? [ y = 0.0006150313665997]

Q7) If y is inversely proportional to x. If y= 5 and x = 10.
What is the equation linking x to y? [ y =\(50 \over x \)]

Q7) If y is inversely proportional to x. If y= 8 and x = 63.
What is the value of y when x =95? [ y = 5.3052631578947]

Q7) If y is inversely proportional to \(x^2 \). If y= 0.01038062283737 and x= 17.
What is the value of y when x =22? [ y = 0.006198347107438]

Q8) If y is inversely proportional to x. If y= 19 and x = 7.
What is the equation linking x to y? [ y =\(133 \over x \)]

Q8) If y is inversely proportional to x. If y= 11 and x = 97.
What is the value of y when x =77? [ y = 13.857142857143]

Q8) If y is inversely proportional to \(x^3 \). If y= 1.4607140944303E-5 and x= 59.
What is the value of y when x =99? [ y = 3.0918304563851E-6]

Q9) If y is inversely proportional to x. If y= 15 and x = 6.
What is the equation linking x to y? [ y =\(90 \over x \)]

Q9) If y is inversely proportional to x. If y= 2 and x = 28.
What is the value of y when x =22? [ y = 2.5454545454545]

Q9) If y is inversely proportional to \(x^2 \). If y= 0.01010101010101 and x= 33.
What is the value of y when x =54? [ y = 0.0037722908093278]

Q10) If y is inversely proportional to x. If y= 14 and x = 8.
What is the equation linking x to y? [ y =\(112 \over x \)]

Q10) If y is inversely proportional to x. If y= 7 and x = 94.
What is the value of y when x =45? [ y = 14.622222222222]

Q10) If y is inversely proportional to \(x^2 \). If y= 0.006337709370756 and x= 47.
What is the value of y when x =62? [ y = 0.0036420395421436]