Lesson Example Discussion Quiz: Class Homework |
Quiz At Home |
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: at Home
Problem Id | Question | Problem | Options |
---|---|---|---|
1 |
Find the roots of the quadratic equation |
\$ 2x^2 - 7x - 9 = 0 \$ |
A) \$ ( -9/2, -1)\$ B) \$ ( 9/2, 1)\$ C) \$ ( 9/2, -1)\$ D) \$ ( -9/2, 1)\$ |
2 |
Find the roots of the quadratic equation |
\$ (-2x-2)(-x-1) = 0 \$ |
A) \$ ( -2, -1)\$ B) \$ ( 1, 1)\$ C) \$ ( 1, -1)\$ D) \$ ( -1, -1)\$ |
3 |
Find the roots of the quadratic equation |
\$ (-3x+3)(-5x+7) = 0 \$ |
A) \$ ( 1, 7/5)\$ B) \$ ( -1, 7/5)\$ C) \$ ( 1, -7/5)\$ D) \$ ( -1, -7/5)\$ |
4 |
Find the roots of the quadratic equation |
\$x^2 -10x + 9 = 0\$ |
A) \$ ( 9 , -9)\$ B) \$ ( 9 , 1)\$ C) \$ ( -9 , 1)\$ D) \$ ( 9 , -1)\$ |
5 |
Find the roots of the quadratic equation |
\$ x^2 + 5 = 25\$ |
A) \$ ( \sqrt(5), -\sqrt(5))\$ B) \$ ( 2\sqrt(5), 2\sqrt(5))\$ C) \$ ( -2\sqrt(5), \sqrt(5))\$ D) \$ ( 2\sqrt(5), -2\sqrt(5))\$ |
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