(2 questions-20 points) what is the constant of variation for the inverse variation? xy=-2 a. -8 b. -6 c. -4 d. -2 what is the constant of variation for the inverse variation? xy=8 a. 1/8 b. 1/4 c. 4 d. 8

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

How many grams the dog will eat in 3 days?