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= 3 and x = 86.
What is the value of y when x =40? [ y = 6.45]

Q1) If y is inversely proportional to \(x^2 \). If y= 0.0037869822485207 and x= 65.
What is the value of y when x =67? [ y = 0.0035642682111829]

Q2) If y is inversely proportional to x. If y= 10 and x = 8.
What is the equation linking x to y? [ y =\(80 \over x \)]

Q2) If y is inversely proportional to x. If y= 7 and x = 47.
What is the value of y when x =67? [ y = 4.910447761194]

Q2) If y is inversely proportional to \(x^3 \). If y= 7.2126220886551E-5 and x= 55.
What is the value of y when x =79? [ y = 2.4338845405739E-5]

Q3) If y is inversely proportional to x. If y= 4 and x = 6.
What is the equation linking x to y? [ y =\(24 \over x \)]

Q3) If y is inversely proportional to x. If y= 4 and x = 5.
What is the value of y when x =100? [ y = 0.2]

Q3) If y is inversely proportional to \(x^2 \). If y= 0.020793950850662 and x= 23.
What is the value of y when x =48? [ y = 0.0047743055555556]

Q4) If y is inversely proportional to x. If y= 19 and x = 4.
What is the equation linking x to y? [ y =\(76 \over x \)]

Q4) If y is inversely proportional to x. If y= 8 and x = 3.
What is the value of y when x =73? [ y = 0.32876712328767]

Q4) If y is inversely proportional to \(x^2 \). If y= 0.0091941590048675 and x= 43.
What is the value of y when x =79? [ y = 0.0027239224483256]

Q5) If y is inversely proportional to x. If y= 14 and x = 9.
What is the equation linking x to y? [ y =\(126 \over x \)]

Q5) If y is inversely proportional to x. If y= 5 and x = 40.
What is the value of y when x =87? [ y = 2.2988505747126]

Q5) If y is inversely proportional to \(x^2 \). If y= 0.03 and x= 10.
What is the value of y when x =73? [ y = 0.00056295740288985]

Q6) If y is inversely proportional to x. If y= 15 and x = 7.
What is the equation linking x to y? [ y =\(105 \over x \)]

Q6) If y is inversely proportional to x. If y= 4 and x = 93.
What is the value of y when x =30? [ y = 12.4]

Q6) If y is inversely proportional to \(x^3 \). If y= 2.7939906848351E-5 and x= 71.
What is the value of y when x =29? [ y = 0.00041002091106646]

Q7) If y is inversely proportional to x. If y= 8 and x = 10.
What is the equation linking x to y? [ y =\(80 \over x \)]

Q7) If y is inversely proportional to x. If y= 16 and x = 28.
What is the value of y when x =32? [ y = 14]

Q7) If y is inversely proportional to \(x^2 \). If y= 0.017447199265381 and x= 33.
What is the value of y when x =4? [ y = 1.1875]

Q8) If y is inversely proportional to x. If y= 4 and x = 3.
What is the equation linking x to y? [ y =\(12 \over x \)]

Q8) If y is inversely proportional to x. If y= 12 and x = 44.
What is the value of y when x =70? [ y = 7.5428571428571]

Q8) If y is inversely proportional to \(x^2 \). If y= 0.027700831024931 and x= 19.
What is the value of y when x =15? [ y = 0.044444444444444]

Q9) If y is inversely proportional to x. If y= 18 and x = 9.
What is the equation linking x to y? [ y =\(162 \over x \)]

Q9) If y is inversely proportional to x. If y= 5 and x = 26.
What is the value of y when x =61? [ y = 2.1311475409836]

Q9) If y is inversely proportional to \(x^3 \). If y= 3.8261401897766E-5 and x= 66.
What is the value of y when x =89? [ y = 1.5603522991791E-5]

Q10) If y is inversely proportional to x. If y= 2 and x = 6.
What is the equation linking x to y? [ y =\(12 \over x \)]

Q10) If y is inversely proportional to x. If y= 11 and x = 35.
What is the value of y when x =13? [ y = 29.615384615385]

Q10) If y is inversely proportional to \(x^3 \). If y= 3.6321878902856E-5 and x= 71.
What is the value of y when x =17? [ y = 0.0026460411154081]