Question

Greg says that the expression xyz has three terms because it uses three different variables. Critique​ Greg's reasoning and explain whether he is correct.
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Part 1
Choose the correct answer below.
A.
Greg is not correct. The expression xyz has one​ term, xyz. It is the only term because there are no other parts separated by a plus or minus sign.
B.
Greg is not correct. The expression xyz has no terms because there are no plus or minus signs.
C.
Greg is correct but his reasoning is incorrect. The three terms are​ x, y, and z because they are actually separated by​ multiplication, even though the multiplication symbol is not shown.
D.
Greg is correct. Every variable in an expression is a term. This means that​ x, y, and z are the three terms of the expression xyz.
Choose the correct answer below.
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Answer 1

A.

Greg is not correct. The expression xyz is one term (a single monomial) because terms are parts of an expression separated by + or −. Multiplication does not separate terms, so x, y, and z multiplied together form one term.