(Y squared) minus (2 times Y) minus 15 = 0. The left side can be factored into: (Y - 5)(Y + 3) There are two different values for Y that will work for the above equation.
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An equation of the second degree, meaning it contains at least one term that is squared.
A biquadratic is a polynomial which involves only the second and fourth powers of a variable.
-8x2 - 2x + 8 this is a quadratic equation or a second order polynomial it is a second order polynomial because it has a term in x2 For every polynomial we name it according to the highest power term in the equation.......
(x,y) or (variable that cones first in the alphabet, variable that comes second in the alphabet)
An equation where some variable is raised to the second power.