A rock is thrown in the air from the edge of a seaside cliff. Its height in feet is represented by f(x) = –16(x2 – 8x-9), where x is the number of seconds since the rock was thrown. The height of the rock is 0 feet when it hits the water. How long does it take the rock to hit the water? How many seconds?

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

What is the ratio fraction form of 25: 9