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Chapter 8: Q3. (page 407)

Tell whether the ordered pair is a solution of 3x+2y=-8.

4,-12

Short Answer

Expert verified

The ordered pair 4,-12 is not a solution for the given equation.

Step by step solution

01

Step 1. Given Information.

An equation: 3x+2y=-8

02

Step 2. Calculation.

To check whether the ordered pair 4,-12 is a solution for the given equation or not, we will substitute coordinates of point 4,-12 in our given equation as shown below:

3x+2y=鈭�8Givenequation34+2鈭�12=鈭�8Substitutingx=4andy=鈭�1212鈭�24=鈭�8鈭�12鈮�鈭�8
03

Step 3. Conclusion.

Since both sides of equation are not equal, therefore, the ordered pair 4,-12 is not a solution for the given equation.

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Most popular questions from this chapter

Solve the equation Check your solution.

29+4f+2=-7

The height of a person is measured every year from the age of 1 year to the age of 50 years.

  1. Do the ordered pairs age,height represent a function? Explain.
  2. Would you expect the ordered pairs height,age to represent a function? Why or why not?

For an account that earns simple annual interest, find the interest and the balance of the account.

P=$850,r=3%,t=6years

Identify the domain and range of the relation.

0,0,1,2,2,4,3,6,4,8

Tell whether the relation represented by the graph is a function.
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