Lesson Example Discussion Quiz: Class Homework |
Quiz Discussion |
Title: Find the roots of the quadratic equation |
Grade: 9-a Lesson: S1-L7 |
Explanation: Let us discuss a few questions on this topic and review the answers to every question. |
Quiz: Discussion in Class
| Problem Id | Question | Problem | Options |
|---|---|---|---|
Steps 1 |
Find the roots of the quadratic equation |
\$ (x)(x-1) = 3 \$ |
A) \$ (1 + \sqrt (13))/2 , (1 - \sqrt (13))/2 \$ B) \$ (-1 + \sqrt (13))/2 , (1 - \sqrt (13))/2 \$ C) \$ (1 + \sqrt (13))/2 , (-1 - \sqrt (13))/2 \$ D) \$ (-1 + \sqrt (13))/2 , (-1 - \sqrt (13))/2 \$ |
Steps 2 |
Find the roots of the quadratic equation |
\$ (-2x)(2x+3) = 6 \$ |
A) \$ (3 + i\sqrt (15))/4 , (-3 - i\sqrt (15))/4 \$ B) \$ (-3 + i\sqrt (15))/4 , (-3 - i\sqrt (15))/4 \$ C) \$ (-3 + i\sqrt (15))/4 , (3 - i\sqrt (15))/4 \$ D) \$ (3 + i\sqrt (15))/4 , (3 - i\sqrt (15))/4 \$ |
Steps 3 |
Find the roots of the quadratic equation |
\$ (x)(6x - 17) = -12 \$ |
A) \$ 2/3 , - 2 \$ B) \$ 2i, - 2i \$ C) \$ 3/2 , 4/3 \$ D) \$ i/3 , - i/3 \$ |
Steps 4 |
Find the roots of the quadratic equation |
\$ (x-6)(x-1) = 9 \$ |
A) \$ 61/2 , - 61/2 \$ B) \$ (7 + \sqrt (51))/2 , (7 - \sqrt (51))/2 \$ C) \$ (7 + \sqrt (61))/2 , (7 - \sqrt (61))/2 \$ D) \$ (7 + \sqrt (61))/6 , (7 - \sqrt (61))/6 \$ |
Steps 5 |
Find the roots of the quadratic equation |
\$ (-x)(5x + (-5)) = 10 \$ |
A) \$ (-1 + i\sqrt (7))/2 , (1 - i\sqrt (7))/2 \$ B) \$ (1 + i\sqrt (7))/2 , (1 - i\sqrt (7))/2 \$ C) \$ (1 + i\sqrt (7))/2 , (-1 - i\sqrt (7))/2 \$ D) \$ (-1 + i\sqrt (7))/2 , (-1 - i\sqrt (7))/2 \$ |
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