5x2=5x^2 4x2+4x^2 1. What values of a, b, and c would you use in the quadratic formula for the following equation? 5x2+9x=4 2. attachment 3. What are the approximate solutions of 2x2-x+10=0? 4. Solve the equation using the quadric formula. 4x2+3x-10=0 5. Solve the equation using the quadric formula. -x2+27=6x 6. Which method is the best method for solving the equation? 8x2-13x+3=0 7. How many solutions are there for 5x2+7x-4=0? 8. The perimeter of a rectangle is 54 cm. The area of the same rectangle is 176 cm2. What are the dimensions of the rectangle?