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Chapter 8: Q29. (page 406)

Evaluate the expression when x=-5 and y=-7.

2x2y

Short Answer

Expert verified

The value of given expression would be -350.

Step by step solution

01

Step 1. Given Information.

An expression: 2x2y

02

Step 2. Calculation.

To find the value of the given expression, we will substitute x=-5 and y=-7 in our given expression as shown below:

2x2y=2鈭�52鈭�7Substitutinggivenvalues=鈭�14鈰�25Usingproperty鈭�鈭�=+=鈭�350

03

Step 3. Conclusion.

The value of given expression would be -350.

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Most popular questions from this chapter

Write the equation in function form. Then graph the equation.

5x-2y=6

Graph the equation.

3x+2y=-2

Find the value of athat makes the ordered pair a solution of the equation.

4x-7y=19;-4,a

Graph the equation. Tell whether the equation is a function.

x-3y=-9

Tell whether the ordered pair is a solution of y=5x-7.

2,3
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