Solving Quadratics

Solving Quadratics

9th - 12th Grade

9 Qs

quiz-placeholder

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Solving Quadratics

Solving Quadratics

Assessment

Quiz

9th - 12th Grade

Hard

Created by

Christopher Bickle

Used 14+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x28x20=0x^2-8x-20=0  

10, -2

5, -17

 7±2347\pm2\sqrt{34}  

 3±94-3\pm\sqrt{94}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x24x15=0x^2-4x-15=0  

4, -8

 1±331\pm\sqrt{33}  

 8±94-8\pm\sqrt{94}  

 2±192\pm\sqrt{19}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x2+x12=0x^2+x-12=0  

-3, 4

3, -4

4, 7

-7, 0

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x2+10x+42=0x^2+10x+42=0  

 5±i17-5\pm i\sqrt{17}  

 5±i33-5\pm i\sqrt{33}  

 10±58-10\pm\sqrt{58}  

 3±i353\pm i\sqrt{35}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 6x2+9x15=06x^2+9x-15=0  

 9±1412\frac{-9\pm\sqrt{141}}{2}  

 9±1412\frac{9\pm\sqrt{141}}{2}  

 3±194\frac{3\pm\sqrt{19}}{4}  

 1, 521,\ -\frac{5}{2}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 x2+3x+2=0x^2+3x+2=0  

1, 2

-1, -2

4, 5

-6, 2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 x22x+11=5x^2-2x+11=-5  

-2, -12

 1±17-1\pm\sqrt{17}  

 1±i151\pm i\sqrt{15}  

 8±i31-8\pm i\sqrt{31}  

8.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 x211x+20=0x^2-11x+20=0  

 i306\frac{i\sqrt{30}}{6}  

 11±412\frac{11\pm\sqrt{41}}{2}  

 2±i53\frac{2\pm i\sqrt{5}}{3}  

 4±76\frac{4\pm\sqrt{7}}{6}  

9.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x25x=0x^2-5x=0  

2, 3

5, 0

-5, 0

5, -5