Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

x is a negative number such that k + k-1 = -2, then what is the value of $\frac{k^2+4k-2}{k^2+k-5}$?

Options:

7

1

-7

-1

Correct Answer:

1

Explanation:

k + k-1 = -2

Put k = -1

$\frac{k^2+4k-2}{k^2+k-5}$ = $\frac{-1^2+4×1-2}{-1^2+-1-5}$  = \(\frac{-5}{-5}\) = 1