- Section A:
- Row 2: k = 4, Equation: y = 4x, y = 28, x = 9
- Row 3: k = 100, Equation: y = 100x, y = 924, x = 9.24
- Row 4: k = 4/9, Equation: y = (4/9)x, y = 16, x = 36
- Row 5: k = 0.5, Equation: y = 0.5x, y = 27, x = 54
- Row 6: k = 1/3, Equation: y = (1/3)x, y = 50, x = 150
- Section B:
- Row 2: k = 20, Equation: s = 20q², s = 80, q = 2
- Row 3: k = 20, Equation: s = 20q², s = 1280, q = 8
- Row 4: k = 0.5, Equation: s = 0.5q², s = 72, q = 12
- Section C:
- Row 2: k = 32, Equation: A = 32√z, A = 96, z = 9
- Row 3: k = 50, Equation: A = 50√z, A = 55, z = 1.21
- Row 4: k = 2.5, Equation: A = 2.5√z, A = 225, z = 8100
Parent Tip: Review the logic above to help your child master the concept of direct proportion worksheet.