Lesson Example Discussion Quiz: Class Homework |
Quiz In Class |
Title: Roots of the quadratic equation |
Grade: 9-a Lesson: S1-L6 |
Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the five problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts. |
Quiz: in Class
| Problem Id | Question | Problem | Options |
|---|---|---|---|
1 |
Find the roots of the quadratic equation |
\$ 3x^2 + 10x - 7 = 0 \$ |
A) \$ ( (-5+\sqrt(46))/3 , (-5-\sqrt(46))/3 ) \$ B) \$ ( (-10+\sqrt(46))/3 , (-10+\sqrt(46))/6 ) \$ C) \$ ( (5+\sqrt(46))/6 , (5-\sqrt(46))/6 ) \$ D) \$ ( -5+\sqrt(46) , 5-\sqrt(46) ) \$ |
2 |
Find the roots of the quadratic equation |
\$ 4x^2 + 5 = 25\$ |
A) \$ ( +\sqrt(4),-\sqrt(4)) \$ B) \$ ( +\sqrt(6),-\sqrt(6)) \$ C) \$ ( +\sqrt(5),-\sqrt(5)) \$ D) \$ ( +\sqrt(8),-\sqrt(8)) \$ |
3 |
Find the roots of the quadratic equation |
\$ (x+5)(x-6) = 0 \$ |
A) \$ ( 5, 6)\$ B) \$ ( -5, 6)\$ C) \$ ( -5, -6)\$ D) \$ ( 5, -6)\$ |
4 |
Find the roots of the quadratic equation |
\$ 3x^2 + 6x - 12 = 0 \$ |
A) \$ (-1+\sqrt(5) , -1+\sqrt(5) )\$ B) \$ (-1-\sqrt(5) , 1-\sqrt(5) )\$ C) \$ (-1+\sqrt(5) , 1-\sqrt(5) )\$ D) \$ (-1+\sqrt(5) , -1-\sqrt(5) )\$ |
5 |
Find the roots of the quadratic equation |
\$x^2 + 5 = 41\$ |
A) \$ ( 4, -4)\$ B) \$ ( 5, -5)\$ C) \$ ( 6, -6)\$ D) \$ ( 7, -7)\$ |
Copyright © 2020-2022 saibook.us Contact: info@saibook.us Version: 1.5 Built: 20-February-2023 08:10 PM EST