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| a process used to form a perfect square trinomial. To complete the square of x2 + bx, add (b/2)2 |
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| the discriminant of the quadreatic equation ax2+bx+c=0 is b2-4ac |
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| a system in which at least one of the equations is nonlinear |
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| nonlinear system of equations |
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| an equation that can be written in the form ax2+bx+c=0, where a.b. and c are real numbers and a≠0 |
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| an equation that can be written in the form f(x)=ax2+bx+c, where a, b, and c are real numbers and a≠0 |
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the formula x=-b±√b2-4ac
2a
which gives solutions, or roots of equations in the form ax2+bx+c=0, where a≠0
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