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Chapter 1: Q8. (page 52)

Evaluate the expression whenp=12鈥�鈥�and鈥�鈥�q=15.

8. 16鈥�q

Short Answer

Expert verified

The value of the expression 16qis 240

Step by step solution

01

Step 1: What is an algebraic expression?

In mathematics, a variable (usually an English alphabet) standing for an unknown value in any equation or Algebraic Expression. In general we used x, y, z or t (time) , d (distance) and r for radius.

Algebraic expressions include at least one variable and at least one operation (addition, subtraction, multiplication, division).

For example, 7(6y + 9z) is an algebraic expression.

02

Example of the variable, constant term and the coefficient 

03

Step 3: Evaluate the expression 16 q when q = 15  

Consider, the expression provided in the question: 16鈥�q

To determine the value of 16鈥�qwhenq=15, it is needed to substitute15 for q

The expression will be obtained as: 16鈥�q鈥�=鈥�鈥�16鈥�鈥�路鈥�鈥�15鈥�鈥�=鈥�鈥�240鈥�鈥�鈥�鈥�鈥�鈥�Multiply

The value of the expression 16qis 240

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