Solving Polynomial Equations: Complex Roots

Solving Polynomial Equations: Complex Roots

​Some text here about the topic of discussion.

Multiple Choice

Give the values of a, b, and c in the

following quadratic equations: $$x^2+5x+7=0$$  

• a=1, b=5, c=0

• a=0, b=5, c=7

• a=1, b=5, c=7

• a=1, b=0, c=7

Multiple Choice

Give the values of a, b, and c in the

following quadratic equations: $$x^2-3x-6=0$$  

• a=1, b=3, c=6

• a=1, b=-3, c=-6

• a=0, b=3, c=6

• a=0, b=-3, c=-6

Multiple Choice

Which is the quadratic formula?

• $$x=\frac{-b\pm\sqrt[]{b^2-4ac}}{2}$$  

• $$x=\frac{-b\pm\sqrt[]{b^2-ac}}{2a}$$  

• $$x=\frac{b\pm\sqrt[]{b^2-4ac}}{2a}$$  

• $$x=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}$$  

Multiple Choice

Solve using the quadratic formula: $$2x^2-2x-5=0$$  

• $$x=\frac{1\pm\sqrt[]{11}}{2}$$  

• $$x=\frac{1\pm\sqrt[]{12}}{2}$$  

• $$x=\frac{1\pm\sqrt[]{13}}{2}$$  

• $$x=\frac{1\pm\sqrt[]{14}}{2}$$  

Draw

Draw

Poll

Rate your readiness to take Summative Assessment #1; 1 - being not confident to 5 being highly confident.

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