#1. use the graph of (x) to find the solutions to the equation f(x)=0 two solutions: x=-4, 7 two solutions: x=4,-7 one solution: x=28 no solutions. #2.solve the equation using the zero product property. (2x-4)(2x-1)=0 2, -1/2 2, 1/2 -2, 2 -2, 1/2 18. #3. a community group is planning the expansion of a square flower garden in a city park. if each side of the original garden is increased by 3 meters, the new total area of the garden will be 225 square meters. find the length of each side of the original garden. 15 m 3 m 12 m √12 m #4. what is the value of c so that y=x^2+15x+c is a perfect square trinomial? 30 15/2 15/4 225/4 #5.solve the equation by completeing the square. round to the neareset tenth. x^2+8x=10 1.1, 9.1 1.1, -9.1 -1.1, 9.1 -1.1, -9.1 #6.solve the equation by completeing the square. x^2+9x-14=0 10.35, 1.35 10.35, -1.35 -10,35, -1.35 -10.35, 1.35 22. use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2-12=-4x 6,2 6,-2 -6,2 -6, -2