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Chapter 1: Q31. (page 20)

Evaluate each expression if a=鈭�1,鈥�b=4,and c=6.

31.4a+9b鈭�2c

Short Answer

Expert verified

The value of the expression is 20.

Step by step solution

01

– Write the given information

The expression given is

4a+9b鈭�2c

And

a=鈭�1,b=4andc=6

02

- DESCRIPTION OF STEP 

To solve the given expression substitute variables a, b, and c by -1, 4, and 6 respectively, as:

4鈭�1+94鈭�26=鈭�4+36鈭�12=32鈭�12=20

Thus,4a+9b鈭�2c=20

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