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Chapter 1: Q 135. (page 39)

In the following exercises, evaluate the following expressions.

x-y2whenx=10,y=7

Short Answer

Expert verified

The required value is 9.

Step by step solution

01

Step 1. Given information.

The given expression is:

x-y2

We have to evaluate the given expression forx=10andy=7.


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

02

Step 2. Replace x with 10 and y with 7 in the given expression.

x-y2=10-72

Follow the order of operations,

=32=3路3=9

The value of x-y2whenx=10,y=7is 9.

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In the following exercises, evaluate the following expressions.

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Translate from algebra to English.

3路9

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