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notsponge [240]
3 years ago
14

Which equation is not a quadratic equation?

Mathematics
1 answer:
BabaBlast [244]3 years ago
8 0
A quadratic equation is usually in the form:

ax^{2} +bx +c

where a, b and c are the coefficients of the expression and a ≠ 0. 

If a = 0, the equation becomes a linear expression and is no longer quadratic.

Hence, in the above options; y = 5x -2 is the only one that is not a quadratic equation.
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