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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