Question

Y varies directly to x - 2. y is 3 when x is 8

Answer 1

The relationship between y and x is expressed as y = k(x - 2), where k is the constant of proportionality. Given that y is 3 when x is 8, you can solve for k: 3 = k(8 - 2). This gives you k = 3/6 = 0.5. So, the direct variation equation is y = 0.5(x - 2).