Solving Simple Quadratic Equations
__1. x2 + 2x + 1 = 0A. -3,-2
__2. x2 + 3x + 2 = 0B. -3,-4
__3. x2 + 5x + 6 = 0C. -2,-6
__4. x2 + 6x + 9 = 0D. -2,-5
__5. x2 + 7x + 10 = 0E. -3
__6. x2 + 7x + 12 = 0F. -1
__7. x2 + 8x + 12 = 0G. -1,-2
__8. x2 + 10x + 24 = 0H. -7,-4
__9. x2 + 11x + 28 = 0I. -4,-6
__10. x2 + 11x + 30 = 0J. -5,-6
参加了这次测试的学生也参加了 :

创建 That Quiz — 针对各年级学生的数学测试网站.