Lesson Example Discussion Quiz: Class Homework |
Quiz In Class |
Title: Quadratic equations with rational expression |
Grade: 1400-a Lesson: S2-L3 |
Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten 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 | Problem | Options |
---|---|---|
1 |
Solve the equation: \$(x^2 + x - 6) / (x^2 - 9) = (2x) / (x - 3)\$. |
A) x = - 2 B) x = 2 C) x = 3 D) x = - 3 |
2 |
Rahul and Rohan have 45 marbles together. After losing 5 marbles each, the product of the number of marbles they both have now is 124. How to find out how many marbles they had to start with. |
A) x = - 36, x = - 9 B) x = 36, x = 9 C) x = 36, x = - 9 D) x = - 36, x = 9 |
3 |
Find the roots of the equation \$2x^2 - 5x + 3 = 0\$. |
A) x = 2 B) x = - 1 C) x = 1 D) x = - 2 |
4 |
Solve the equation \$(3 /( x + 1)) / ((x + 4) / (x^2 + 11x + 10))\$. |
A) \$(3(x + 10)) / (2x + 4)\$ B) \$(3(x - 10) )/ (x - 4)\$ C) \$(3(x + 10)) / (5x + 4)\$ D) \$(3(x + 10)) / (x + 4)\$ |
5 |
Solve the equation \$(3 / (x - 4))\$ + \$(x / (2x + 7))\$. |
A) \$(2x^2 + 8x - 21) /((x - 4) (2x - 7)) \$ B) \$(x^2 + 5x - 21) / ((3x - 4) (2x + 7))\$ C) \$(2x^2 + 3x + 21) / ((2x - 4) (2x + 7))\$ D) \$(x^2 + 2x + 21) / ((x - 4) (2x + 7))\$ |
6 |
Solve the equation: \$ x^2- 3x + 2/(x - 1) \$ |
A) x = 0 B) x = 1 C) x = 2 D) x = 7 |
7 |
Solve the equation: \$ (3x^2 - 2x + 1)/(2x + 1) \$ = 0 |
A) \$ 2 ± i \sqrt2/3 \$ B) \$ 1 ± i\sqrt2/3 \$ C) \$ 1 ± i\sqrt3/2 \$ D) 0 |
8 |
Find the roots of the equation \$ 2x^2 - 5x + 3/(x - 2) \$ = 0. |
A) \$ x = 3/2 and x = 1 \$ B) \$ x = 1/2 and x = 1 \$ C) \$ x = 3/2 and x = 2/3 \$ D) \$ x = 4/2 and x = 1 \$ |
9 |
Solve the equation \$ x^2 + 3x + 2/(x + 2) \$ = 4. |
A) x = 2 and x = 3 B) x = 3 and x = - 2 C) x = 4 and x = - 3 D) x = - 5 and x = 4 |
10 |
Determine the values of x that satisfy the equation: \$ x^2 - 4 /(2x - 3) = 5/2\$. |
A) \$ 5 ± \sqrt2/11 \$ B) \$ 4 ± \sqrt11/2 \$ C) \$ 5 ± \sqrt11/2 \$ D) \$ 8 ± \sqrt21/2 \$ |
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