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Answer:
No
Step-by-step explanation:
In mathematics, the term quadratic describes something that pertains to squares, to the operation of squaring, to terms of the second degree, or equations or formulas that involve such terms.
First, try to move the z's together
-5z +14 -8z = 8z - 8z
-13z +14 = 0
z is not squared (i.e. [tex]z^{2}[/tex]) so not quadratic.