Finding Complex Solutions Square Roots and CTS

Finding Complex Solutions Square Roots and CTS

9th - 12th Grade

4 Qs

quiz-placeholder

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Finding Complex Solutions Square Roots and CTS

Finding Complex Solutions Square Roots and CTS

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

Created by

Jeffrey Rose

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4 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

x2+49=0

7, -7

7

7i, -7i

7i

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (x+2)2+25=5(x+2)^2+25=5  

 2±45 -2\pm4\sqrt{5}\   

 2±4i5 -2\pm4i\sqrt{5}\   

 2±20 -2\pm\sqrt{20}\   

 2±45 -2\pm4\sqrt{5}\   

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x2+8x+20=0x^2+8x+20=0  

 x=4±2ix=-4\pm2i  

 x=4±2ix=4\pm2i  

 x=2 or  x=6x=-2\ or\ \ x=-6  

 x=2i or  x=6ix=-2i\ or\ \ x=-6i  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 4(x+3)2+48=04\left(x+3\right)^2+48=0  

 x=3±2i3x=3\pm2i\sqrt{3}  

 x=3±2i3x=-3\pm2i\sqrt{3}  

 x=3±3i2x=3\pm3i\sqrt{2}  

 x=3±3i2x=-3\pm3i\sqrt{2}  

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