Algebraic expressions (Part 1)INTRODUCTION TO ALGEBRAConsider the expression below and answer the questions that follow:7x25−y+2(y+4)−x7𝑥25−𝑦+2(𝑦+4)−𝑥Answer:How many terms are there in the expression? What is the value of the coefficient of x𝑥? For what value of y𝑦 is the expression undefined? y=𝑦=
Question
Algebraic expressions (Part 1)INTRODUCTION TO ALGEBRAConsider the expression below and answer the questions that follow:7x25−y+2(y+4)−x7𝑥25−𝑦+2(𝑦+4)−𝑥Answer:How many terms are there in the expression? What is the value of the coefficient of x𝑥? For what value of y𝑦 is the expression undefined? y=𝑦=
Solution
The expression you've given seems to have some formatting issues, but I'll try to interpret it as best as I can.
Assuming the expression is: 7x/25 - y + 2(y + 4) - x
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The number of terms in the expression: There are four terms in the expression: 7x/25, -y, 2(y + 4), and -x.
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The coefficient of x: There are two terms with x. The coefficient of the first term 7x/25 is 7/25 and the coefficient of the second term -x is -1.
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For what value of y is the expression undefined? The expression would be undefined if there were a division by zero. However, in this expression, there is no term where y is in the denominator. Therefore, the expression is defined for all real numbers y.
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