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Chapter 1: Q 1056. (page 193)

In the following exercises, evaluate each expression.

q2-2q+9whenq=-2

Short Answer

Expert verified

The required answer is 17.

Step by step solution

01

Step 1. Given information.

The given expression is:

q2-2q+9

We have to evaluate the given expression for the given value q=-2.

To evaluate an expression means to find the value of the expression when the variable is replaced by a given number.

02

Step 2. Evaluate the expression 

q2-2q+9

Replace qwith-2and simplify,

-22-2-2+9=4+4+9=17

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