Mathematics, 19.01.2021 01:00 cclangston
Misha’s group was asked to write an expression equivalent to 7 y squared z + 3 y z squared minus 3. When Mr. Chen checked their answers, he found only one to be correct. Who had the correct answer?
Misha’s Group
Student
Equivalent Expression
Misha
4 y squared z minus 5 + 3 y z squared minus 3 y squared z + 2
Juan
9 y squared z minus 2 + 3 y z squared minus 2 y squared z + 1
Joe
7 y squared z + y z squared + 2 + 2 y z squared + 1
Helena
7 y squared z + 6 y z squared minus 5 minus 3 y z squared + 2
Answers: 3
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Misha’s group was asked to write an expression equivalent to 7 y squared z + 3 y z squared minus 3....
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