11th
-
12th
grade

Mathematics

62%

accuracy

259

plays

Alesha Bayiha

4 years

Mathematics

11th -

12thgrade

Solving Quadratics by Completing the Square

Alesha Bayiha

259
plays

20 questions

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1. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² + 4x + 1 = 0
x = -2 ± √3
x = -3 ± √2
x = 2 ± √3
x = 2 ± √2
2. Multiple Choice
2 minutes
12 pts
Solve the following quadratics equation by completing the square...

x² + 4x - 1 = 0
x = -2 ± √5
x = -5 ± √2
x = 2 ± √5
x = -5 ± √5
3. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² - 4x - 1 = 0
x = -2 ± √5
x = -5 ± √2
x = 2 ± √5
x = 5 ± √5
4. Multiple Choice
2 minutes
12 pts
Solve the following quadratics equation by completing the square...

x² + 6x - 3 = 0
x = -3 ± √12
x = 3 ± √12
x = 12 ± √3
x = -12 ± √3
5. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² - 6x + 2 = 0
x = -3 ± √7
x = 3 ± √7
x = 7 ± √3
x = -7 ± √3
6. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² + 12x + 10 = 0
x = -6 ± √26
x = 6 ± √26
x = 26 ± √6
x = -26 ± √6
7. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² - 12x + 31 = 0
x = -6 ± √5
x = 6 ± √5
x = 5 ± √6
x = -5 ± √6
8. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² + 2x - 5 = 0
x = -1 ± √6
x = 1 ± √6
x = 6 ± √1
x = -6 ± √1
9. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² + 2x - 10 = 0
x = -1 ± √11
x = 1 ± √11
x = 11 ± √1
x = -11 ± √1
10. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² + 10x + 18 = 0
x = -5 ± √7
x = 5 ± √7
x = 7 ± √5
x = -7 ± √5
11. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² - 10x - 5 = 0
x = -5 ± √30
x = 5 ± √30
x = 30 ± √5
x = -30 ± √5
12. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² - 20x + 98 = 0
x = -10 ± √2
x = 10 ± √2
x = 2 ± √10
x = -2 ± √10
13. Multiple Choice
30 seconds
1 pt
$2x^2+3x-4=0$ When the quadratic formula is applied to , what is the numerator of the simplified answer?
$3\pm\sqrt{41}$
$-3\pm\sqrt{41}$
$3\pm\sqrt{38}$
$-3\pm\sqrt{-23}$
14. Multiple Choice
30 seconds
1 pt
Solve $x^2-4x+18=0$ .
$x=-2\pm i\sqrt{14}$
$x=-2\pm\sqrt{14}$
$x=2\pm i\sqrt{14}$
$x=2\pm\sqrt{14}$
15. Multiple Choice
30 seconds
1 pt
Solve $x^2+10x=39$ .
$x=-5\pm\sqrt{14}$
$x=-3\ or\ 13$
$x\ =\ 3\ or\ -13$
$x=5\pm\sqrt{14}$
16. Multiple Choice
30 seconds
1 pt
What are the solutions of the equation $x^2=23+2x$ ?
$x=-1\pm2\sqrt{6}$
$x=1\pm2\sqrt{6}$
$x=-1\pm\sqrt{22}$
$x=1\pm\sqrt{22}$
17. Multiple Choice
2 minutes
1 pt
Solve the following quadratics equation by completing the square...

x² + 12x + 8= 0
x = -6 ± 2√7
x = 6 ± 2√7
x = 28 ± √6
x = -28 ± √6
18. Multiple Choice
3 minutes
1 pt
What is one of the solutions to this equation?
(2x - 1)² = 49
7
-7
-4
-3
19. Multiple Choice
2 minutes
1 pt
Solve by method of your choice.
x² + 10x = -9
1 and -12
-1 and -9
1 and -9
1 and -1
20. Multiple Choice
5 minutes
1 pt
Solve the equation by completing the square and then finding the roots.
x²+ 6x - 4 = 36
x = -7, 7
x = 4, -10
x = -4 +- √7
x = 10, -4
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Solving Quadratics by Completing the Squ...

11th
-
12th
grade

Mathematics

Mathematics

11th -

12thgrade

Solving Quadratics by Completing the Square

259
plays

20 questions

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