Determine whether the quadratic functions have two real roots, one real root, or no real roots. If possible, list the zeros of the function.

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

Hello, i need compare km^2 and km. what's difference in this?

One side of a rectangle is 7 centimeters shorter than six times the other side. find the length of the longer side if we also know that the perimeter of the rectangle is 266 centimeters.