IM Alg2.3.19 Lesson: Real and Non-Real Solutions

What do you notice? What do you wonder?
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[/img][/td][td][math]f(x)=2x^2+4x[/math][br][math]f(x)=0[/math] when [math]x=0,\text{-}2[/math][/td][/tr][tr][td][img]data:image/png;base64,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[/img][/td][td][math]g(x)=2x^2+4x+2[/math][br][math]g(x)=0[/math] when [math]x=\text{-}1[/math][/td][/tr][tr][td][img]data:image/png;base64,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[/img][/td][td][math]h(x)=2x^2+4x+4[/math][br][math]h(x)=0[/math] when [math]x=\text{-}1+i,\text{-}1-i[/math][br][/td][/tr][/table]
Here are some equations:
Which equations will have real solutions, and which ones will not? Write your prediction in the table.[br][br]Pause here for discussion.[br]
What advice would you give to someone who is trying to figure out whether a quadratic equation has real solutions?[br]
Create three different quadratic equations. At least one should have solutions with an imaginary part, and at least one should have solutions with only real parts.
Solve your equations. Write down your equations and their solutions in the table.
Close

Information: IM Alg2.3.19 Lesson: Real and Non-Real Solutions