Question

The variables x and y vary directly. Use the given values to write an equation that relates x and y: x = 4, y = -16

Answer 1

x is the square root of y

Answer 2

so what would be the equation

Answer 3

4*-4=16. So -4 is what we are looking for. So y=-4x

Answer 4

ok thank you

Answer 5

the square root of -16 is not a real number. There isn't a number you can square that will give you -16. -4^2 is 16.