Concept explainers
The zero and describe what it means.
Answer to Problem 26SGR
The zero of function is
It means that there is no profit no loss for selling boxes of popcorn
Explanation of Solution
Given:
Sean’s class is selling boxes of popcorn to raise money for a class trip . Sean’s class paid $85 for the popcorn and they are selling each box for $1. Their profit y for each box of popcorn sold x.
The function:
Concept Used:
- To get rid of a number in addition from one side, subtract the same number from both sides of equal sign.
- To get rid of a number in subtraction from one side, add the same number both sides of equal sign.
- To get rid of a number in multiplication from one side, divide the same number from both sides of equal sign.
- To get rid of a number in division from one side, multiply the same number both sides of equal sign.
Rules of Addition/ Subtraction:
- Two numbers with similar sign always get added and the resulting number will carry the similar sign.
- Two numbers with opposite signs always get subtracted and the resulting number will carry the sign of larger number.
Rules of Multiplication/ Division:
- The product/quotient of two similar sign numbers is always positive.
- The product/quotient of two numbers with opposite signs is always negative.
Calculation:
The function:
Thus, the zero of function is
It means that there is no profit no loss for selling boxes of popcorn.
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Algebra 1
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