Mathematics, 02.07.2019 23:30 erinbrewster1299
Use the discriminant to determine what type of roots the equations will have, and categorize the equations according to their roots.
two distinct roots, one repeated root, two complex roots
x^2 − 4x + 2 = 0
5x^2 − 2x + 3 = 0
2x^2 + x − 6 = 0
13x^2 − 4 = 0
x^2 − 6x + 9 = 0
x^2 − 8x + 16 = 0
4x^2 + 11 = 0
Answers: 2
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![x=\dfrac{-b}{2a}[/tex If Δ 0, then the equation has two discint roots [tex]x=\dfrac{-b\pm\sqrt\Delta}{2a}](/tpl/images/0044/2800/a48d8.png)
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Use the discriminant to determine what type of roots the equations will have, and categorize the equ...
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