Lesson Example Discussion Quiz: Class Homework |
Quiz In Class |
Title: Find the roots of the quadratic equation |
Grade: 9-a Lesson: S1-L7 |
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 |
\$ (4x)(x+2) = 6 \$ |
A) \$ (-2 + \sqrt (10))/2 , (2 - \sqrt (10))/2 \$ B) \$ (2 + \sqrt (10))/2 , (-2 - \sqrt (10))/2 \$ C) \$ (-2 + \sqrt (10))/2 , (-2 - \sqrt (10))/2 \$ D) \$ (2 + \sqrt (10))/2 , (2 - \sqrt (10))/2 \$ |
2 |
Find the roots of the quadratic equation |
\$ (-2x)(3x+3) = 1 \$ |
A) \$ (3 + \sqrt (3))/6 , (-3 - \sqrt (3))/6 \$ B) \$ (-3 + \sqrt (3))/6 , (3 - \sqrt (3))/6 \$ C) \$ (3 + \sqrt (3))/6 , (3 - \sqrt (3))/6 \$ D) \$ (-3 + \sqrt (3))/6 , (-3 - \sqrt (3))/6 \$ |
3 |
Find the roots of the quadratic equation |
\$ (5x)(2x+1) = 3 \$ |
A) \$ (-5 + \sqrt (145))/20 , (-5 - \sqrt (145))/20 \$ B) \$ (5 + \sqrt (145))/20 , (-5 - \sqrt (145))/20 \$ C) \$ (-5 + \sqrt (145))/20 , (5 - \sqrt (145))/20 \$ D) \$ (5 + \sqrt (145))/20 , (5 - \sqrt (145))/20 \$ |
4 |
Find the roots of the quadratic equation |
\$ (x)(7x-29) = -31 \$ |
A) \$ (29+3i\sqrt3)/7,(29-3i\sqrt3)/7 \$ B) \$ (29+3i\sqrt3)/14,(29-3i\sqrt3)/14 \$ C) \$ (29+i\sqrt3)/14,(29-i\sqrt3)/14 \$ D) \$ (19+3\sqrt3)/7,(19-3\sqrt3)/7 \$ |
5 |
Find the roots of the quadratic equation |
\$ (x)(x+8) = 2 \$ |
A) \$ 4+\sqrt2,4-\sqrt2 \$ B) \$ -4-3\sqrt3,-4-3\sqrt3 \$ C) \$ 4+3\sqrt2,4-3\sqrt2 \$ D) \$ -4+3\sqrt2,-4-3\sqrt2 \$ |
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