Algebra Question and Answers 15 ExamCompetition

Algebra Practice Questions & Answers

0 vote

Asked on 2019-07-07 12:07:48 by | Votes 0

In the following question two equations are given in variables x and y. You have to solve these equations and determine relation between x and y.

I. \(\frac{5}{x} + \frac{{11}}{x} = x\)

II. \(\frac{{23}}{y} + \frac{2}{y} = y\)

1). x > y
2). x < y
3). x ≥ y
4). x ≤ y

0 vote

Asked on 2019-07-07 11:49:13 by | Votes 0

In the given question, two equations numbered l and II are given. You have to solve both the equations and mark the appropriate answer.

I. a = √1225

II. b² = 1225

1). a > b
2). a < b
3). a ≥ b
4). a ≤ b

0 vote

Asked on 2019-07-07 11:10:01 by | Votes 0

If x³ + y³ = 0 find x + y =?

1). \(\sqrt {3{\rm{xy}}} \)
2). \(\sqrt {2{\rm{xy}}} \)
3). \(\sqrt {5{\rm{xy}}} \)
4). \(\sqrt {7{\rm{xy}}} \)

0 vote

Asked on 2019-07-07 11:09:48 by | Votes 0

In the following question two equations are given. You have to solve these equations and determine relation between x and y.

I. x² – 18x – 115 = 0

II. y² + 22y + 112 = 0
1). x < y
2). x > y
3). x = y OR the relationship cannot be determined
4). x ≥ y

46 vote

Asked on 2019-07-07 11:04:46 by | Votes 46

If x + y + z = 6 and x² + y² + z² = 20 then the value of x³ + y³ + z³ – 3xyz is
1). 64
2). 70
3). 72
4). 76