15. Which number is a solution of the inequality?

x(7 – x) > 8

A. 0

B. 2

C. –1

D. 8

What is the equation in slope-intercept form of the linear function represented by the table? y -18 -1 -8 4 2 912 o y=-2x-6 o y=-2x+6 o y=2x-6 o y = 2x+6

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?