4. What values of x can make the equation x2 + 7x = 0, true? A. 1 foot B. 2 feet A. O and -7 B.O and 9 C. 1 and - 8 D1 and 10 END OF
5. By factoring, what is the solution of the quadratic equation y2 + 6y = 16? A. y = { - 10,1) B.y={-9,1} C. y={-8, 2] D.y= {-7,2) 6. Which of the following are the roots of the quadratic equation x2 + 4x = 5? A.- 1 and -6 B. 1 and 5 C: 2 and - 3 D 3 and 2​