Divide. $\left( z ^ { 7 } + z ^ { 6 } + z ^ { 5 } \right) \div z ^ { 5 }$
A) $z ^ { 2 } + z + 1$
B) $z ^ { 2 }$
C) $z ^ { 2 } + z$
D) $z + 1$
E) $z ^ { 14 } + z ^ { 13 } + z ^ { 12 }$

Name: Divide. $\left( z ^ { 7 } + z ^ { 6 } + z ^ { 5 } \right) \div z ^ { 5 }$ A) $z ^ { 2 } + z + 1$ B) $z ^ { 2 }$ C) $z ^ { 2 } + z$ D) $z + 1$ E) $z ^ { 14 } + z ^ { 13 } + z ^ { 12 }$
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Question

Quizplus · Accepted Answer

Dividing each term in the numerator by $z^5$ gives $z^2 + z + 1$.

Divide (z7+z6+z5)÷z5\left( z ^ { 7 } + z ^ { 6 } + z ^ { 5 } \right) \div z ^ { 5 }(z7+z6+z5)÷z5

Divide $\left( z ^ { 7 } + z ^ { 6 } + z ^ { 5 } \right) \div z ^ { 5 }$