Completing the Square

Completing the Square

9th Grade

5 Qs

quiz-placeholder

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Completing the Square

Completing the Square

Assessment

Quiz

9th Grade

Easy

Created by

Alexandria Plank

Used 1+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Complete the square.

 x2+10x20=0x^2+10x-20=0  

 x=355, x=355x=3\sqrt{5}-5,\ x=-3\sqrt{5}-5  

 x=38, x=34x=38,\ x=34  

 x=34, x=28x=34,\ x=28  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Complete the square.
 x2+32x+4=0x^2+32x+4=0  

 x=67, x=67x=-6\sqrt{7},\ x=6\sqrt{7}  

 x=6716, x=6716x=6\sqrt{7}-16,\ x=-6\sqrt{7}-16  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Complete the square.
 x29x+12=0x^2-9x+12=0  

 x=33+92, x=33+92x=\frac{\sqrt{33}+9}{2},\ x=\frac{-\sqrt{33}+9}{2}  

 x=23+92, x=23+92x=\frac{\sqrt{23}+9}{2},\ x=\frac{-\sqrt{23}+9}{2}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Complete the square.
 x23x+25=0x^2-3x+25=0  

  \    x=32+912, x=32912x=\frac{3}{2}+\frac{\sqrt{91}}{2},\ x=\frac{3}{2}-\frac{\sqrt{91}}{2}  

 x=32+i 912, x=32i 912x=\frac{3}{2}+i\ \frac{\sqrt{91}}{2},\ x=\frac{3}{2}-i\ \frac{\sqrt{91}}{2}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Complete the square.
 x2+5x12=0x^2+5x-12=0  

 x=7352, 7352x=\frac{\sqrt{73}-5}{2},\ \frac{-\sqrt{73}-5}{2}  

 x=52+i 732, x=52i 732x=\frac{-5}{2}+i\ \frac{\sqrt{73}}{2},\ x=\frac{-5}{2}-i\ \frac{\sqrt{73}}{2}  

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