Mr Daniels Maths
Proportion Inverse

Set 1

Set 2

Set 3

Q1) If y is inversely proportional to x. If y= 15 and x = 7.
What is the equation linking x to y? [ y =\(105 \over x \)]

Q1) If y is inversely proportional to x. If y= 19 and x = 23.
What is the value of y when x =66? [ y = 6.6212121212121]

Q1) If y is inversely proportional to \(x^2 \). If y= 0.0061728395061728 and x= 54.
What is the value of y when x =52? [ y = 0.0066568047337278]

Q2) If y is inversely proportional to x. If y= 7 and x = 8.
What is the equation linking x to y? [ y =\(56 \over x \)]

Q2) If y is inversely proportional to x. If y= 16 and x = 22.
What is the value of y when x =69? [ y = 5.1014492753623]

Q2) If y is inversely proportional to \(x^3 \). If y= 1.7274396383235E-5 and x= 74.
What is the value of y when x =51? [ y = 5.2770050734634E-5]

Q3) If y is inversely proportional to x. If y= 15 and x = 10.
What is the equation linking x to y? [ y =\(150 \over x \)]

Q3) If y is inversely proportional to x. If y= 2 and x = 89.
What is the value of y when x =32? [ y = 5.5625]

Q3) If y is inversely proportional to \(x^3 \). If y= 0.0001537181712963 and x= 48.
What is the value of y when x =47? [ y = 0.00016374021170646]

Q4) If y is inversely proportional to x. If y= 13 and x = 3.
What is the equation linking x to y? [ y =\(39 \over x \)]

Q4) If y is inversely proportional to x. If y= 11 and x = 58.
What is the value of y when x =28? [ y = 22.785714285714]

Q4) If y is inversely proportional to \(x^2 \). If y= 0.0060763888888889 and x= 48.
What is the value of y when x =97? [ y = 0.0014879370815177]

Q5) If y is inversely proportional to x. If y= 5 and x = 10.
What is the equation linking x to y? [ y =\(50 \over x \)]

Q5) If y is inversely proportional to x. If y= 7 and x = 37.
What is the value of y when x =31? [ y = 8.3548387096774]

Q5) If y is inversely proportional to \(x^2 \). If y= 0.0026423569824283 and x= 87.
What is the value of y when x =99? [ y = 0.0020406081012142]

Q6) If y is inversely proportional to x. If y= 3 and x = 7.
What is the equation linking x to y? [ y =\(21 \over x \)]

Q6) If y is inversely proportional to x. If y= 4 and x = 15.
What is the value of y when x =52? [ y = 1.1538461538462]

Q6) If y is inversely proportional to \(x^3 \). If y= 6.0426419702829E-5 and x= 68.
What is the value of y when x =1? [ y = 19]

Q7) If y is inversely proportional to x. If y= 14 and x = 7.
What is the equation linking x to y? [ y =\(98 \over x \)]

Q7) If y is inversely proportional to x. If y= 17 and x = 43.
What is the value of y when x =99? [ y = 7.3838383838384]

Q7) If y is inversely proportional to \(x^2 \). If y= 0.028355387523629 and x= 23.
What is the value of y when x =16? [ y = 0.05859375]

Q8) If y is inversely proportional to x. If y= 19 and x = 3.
What is the equation linking x to y? [ y =\(57 \over x \)]

Q8) If y is inversely proportional to x. If y= 7 and x = 63.
What is the value of y when x =95? [ y = 4.6421052631579]

Q8) If y is inversely proportional to \(x^2 \). If y= 0.0032873109796187 and x= 78.
What is the value of y when x =88? [ y = 0.0025826446280992]

Q9) If y is inversely proportional to x. If y= 4 and x = 9.
What is the equation linking x to y? [ y =\(36 \over x \)]

Q9) If y is inversely proportional to x. If y= 17 and x = 61.
What is the value of y when x =17? [ y = 61]

Q9) If y is inversely proportional to \(x^2 \). If y= 0.076923076923077 and x= 13.
What is the value of y when x =49? [ y = 0.0054144106622241]

Q10) If y is inversely proportional to x. If y= 6 and x = 5.
What is the equation linking x to y? [ y =\(30 \over x \)]

Q10) If y is inversely proportional to x. If y= 6 and x = 53.
What is the value of y when x =47? [ y = 6.7659574468085]

Q10) If y is inversely proportional to \(x^3 \). If y= 1.2021036814425E-5 and x= 55.
What is the value of y when x =6? [ y = 0.0092592592592593]