Solving Quadratic Equations

Solving Quadratic Equations

9th - 11th Grade

22 Qs

quiz-placeholder

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Solving Quadratic Equations

Solving Quadratic Equations

Assessment

Quiz

Mathematics

9th - 11th Grade

Hard

Created by

Liezl Quion

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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Solve  9x218=12x9x^2-18=-12x  

 2±223\frac{-2\pm\sqrt{22}}{3}  

 2±223\frac{2\pm\sqrt{22}}{3}  

 6±229\frac{6\pm\sqrt{22}}{9}  

 6±229\frac{-6\pm\sqrt{22}}{9}  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Solve n2=20+10nn^2=-20+10n  

 5+55+\sqrt{5}  

 5±5-5\pm\sqrt{5}  

 5±55\pm\sqrt{5}  

 5±25\pm\sqrt{2}  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Solve 5a2138=7a5a^2-138=7a 

 6, 235-6,\ -\frac{23}{5}  

 6, 2356,\ -\frac{23}{5}  

 6, 253-6,\ \frac{25}{3}  

 6, 2536,\ -\frac{25}{3}  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Solve 3x2=10x33x^2=10x-3  

 3, 13-3,\ \frac{1}{3}  

 3, 133,\ \frac{1}{3}  

 3, 13-3,\ -\frac{1}{3}  

 3, 13\sqrt{3},\ \frac{1}{3}  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Solve 12n2=812n^2=-8  



 i63-\frac{i\sqrt{6}}{3}  

 ±63\pm\frac{\sqrt{6}}{3}  

 36-\frac{\sqrt{3}}{6}  

 ±i63\pm\frac{i\sqrt{6}}{3}  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Solve 2a2=3a+1042a^2=3a+104  

 8, 1328,\ -\frac{13}{2}  

 8, 132-8,\ -\frac{13}{2}  

 4, 1324,\ \frac{13}{2}  

 4, 132-4,\ -\frac{13}{2}  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Solve 3p2+3=2913p^2+3=291  

 46-4\sqrt{6}  

 ±64\pm6\sqrt{4}  

 ±46\pm4\sqrt{6}  

 ±36\pm3\sqrt{6}  

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