Algebra MCQs

Question 1

If 2x 2 - 7x + 5 = 0, then what is the value of $${x^2} + \frac{{25}}{{4{x^2}}}?$$

Accepted Answer

$$7\frac{1}{4}$$

Answer

$$5\frac{1}{2}$$

Answer

$$9\frac{1}{2}$$

Answer

$$9\frac{3}{4}$$

Question 2

If x = 1 + √2 + √3, then find the value of x 2 - 2x + 4.

Accepted Answer

2(4 + √6)

Answer

2(7 + √6)

Answer

2(3 + √7)

Answer

(4 + √6)

Question 3

The simplified value of following is: $$\left( {\frac{3}{{15}}{a^5}{b^6}{c^3} 	imes \frac{5}{9}a{b^5}{c^4}} ight)$$ $$ ÷ $$ $$\frac{{10}}{{27}}{a^2}b{c^3}$$

Accepted Answer

$$\frac{3}{{10}}{a^4}{b^{10}}{c^4}$$

Answer

$$\frac{3}{{10}}a{b^4}{c^3}$$

Answer

$$\frac{9}{{10}}{a^2}b{c^4}$$

Answer

$$\frac{1}{{10}}{a^4}{b^4}{c^{10}}$$

Question 4

If x = 0.5 and y = 0.2, then the value of $$\sqrt {0.6} 	imes {\left( {3y} ight)^x}$$ is equal to?

Accepted Answer

0.6

Answer

1

Answer

0.5

Answer

1.1

Question 5

If $${\left( {{	ext{ }}a + \frac{1}{a}} ight)^2} = 3{	ext{,}}$$ then the value of a 18 + a 12 + a 6 + 1 is?

Accepted Answer

0

Answer

3

Answer

1

Answer

2

Question 6

If x 8 - 1442x 4 + 1 = 0, then a possible value of $$x - \frac{1}{x}$$ is:

Accepted Answer

6

Answer

5

Answer

4

Answer

8

Question 7

If $$2x + \frac{2}{{9x}} = 4{	ext{,}}$$ then the value of $$27{x^3} + \frac{1}{{27{x^3}}}$$ is?

Accepted Answer

198

Answer

180

Answer

234

Answer

252

Question 8

If $$c - d = \frac{{c + d}}{5} = \frac{{cd}}{3}$$ and c, d ≠ 0 then what is the value of cd?

Accepted Answer

$$\frac{3}{2}$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{5}{2}$$

Answer

$$\frac{5}{4}$$

Question 9

If x 4 + x -4 = 194, x > 0, then the value of (x - 2) 2 is:

Accepted Answer

3

Answer

1

Answer

6

Answer

2