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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