The solutions to Quiz 07 and 08 are emailed to you and also uploaded on S3-07 math googlesite:
Folder: Level Test 1
Quiz 07 - Remainder Factor Theorem, Cubic Equations_SOLN.pdf
Quiz 08 - Quadratic Equations and Inequalities_SOLN.pdf
Please do corrections so you understand your mistakes.
After you revise, it will be good to try these quizzes again to check for your understanding.