Inverse Variation Concept and Examples

Q1. T varies inversely as S. If T = 20 when S = 100, calculate:
a. The value of T when S = 20 b. The value of S when T = 60

Q2. x is inversely proportional to y2. If x = 4 when y = 3, calculate:
a. The value of x when y = 2 b. The value of y when x = 9

Q3. x varies inversely as (y – 3). If x = 3 when y = 5, calculate:
a. The value of x when y = 6 b. The value of y when x = 2

Q4. Given that x ∝ 1/y^2 complete the table:
x 4 1/4
y 5 2 10

Q5. Given that x= k/√(n&y) find k and n, then complete the table:
x 12 2
y 1 4 8 #GCSE #SAT #EQAO #IBSLmath