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Chapter 1: Q. 12E (page 24)

Evaluate the expression when x=-3.

x+8

Short Answer

Expert verified

The value of the expressionis 11.

Step by step solution

01

Step 1. Absolute value of a number

Absolute value of any positive or negative number is always positive and equal to the magnitude of the number. The absolute value of a number N is denoted by N.

The absolute value of a number represents the distance of the number from 0 in the number line.

02

Step 2. Example of Absolute value

The absolute value of 3 is denoted by 3and is equal to 3.

And the absolute value of -4is denoted by -4and is equal to 4.

03

Step 3. Evaluate the expression

To evaluate the value of the expression x+8, substitute -3 for x and simplify further as shown below,

x+8=鈭�3+8=3+8=11

Thus, the value of the given expression is 11.

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Most popular questions from this chapter

Logical Reasoning Describe the pattern shown in the table. Then write a variable expression involving n to complete the table. In the table, the three dots indicate that the pattern continues.

Evaluate the experssion when m=5andn=6
localid="1647947044369" n2

Evaluate the experssion when a=4,鈥�b=2,andc=16

localid="1647950299211" bc

Evaluate the experssion when m=5andn=6
localid="1647947788101" n-m

Evaluate the expression.

17鈭�(32鈭�2)
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