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Chapter 2: Q58. (page 93)

Evaluate the expression when x=4鈥�鈥�and鈥�鈥�y=-7. (Lesson 1.4)

x

Short Answer

Expert verified

Value of expression x=4.

Step by step solution

01

Step-1-Using mod operator concept

We know that,

x=x if x>0, and

x=-xif x<0.

02

Step-2-Solving given expression

Given x=4 which is greater than 0

Using above formula, we get

|x|=|4||x|=4

03

Step-3-Conclusion

Therefore, the value of expression x=4.

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