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Solve by Completing the Square 8.12.2021

Theresa C. 10 preguntas

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Preguntas del test (10)

1\[x^2-4x-4=0\]
1. A\[x=2, x=-12\]
2. B\[x=2\pm2\sqrt{2}\]
3. C\[x=2\pm\sqrt{3}\]
4. D\[x=-2\pm4\sqrt{2}\]
2\[x^2-10x+16=0\]
1. A\[x=-5, x=-9\]
2. B\[x=8, x=2\]
3. C\[x=5 \pm\sqrt{41}\]
4. D\[x=\pm\sqrt{13}\]
3\[x^2+10x-56=0\]
1. A\[x=4, x=-14\]
2. B\[x=3\pm\sqrt{29}\]
3. C\[x=5\]
4. D\[x=\pm\sqrt{5}\]
4\[2x^2+4x+2=0\]
1. A\[x=-1\]
2. B\[x=-3\pm3\sqrt{5}\]
3. C\[x=0, x=1\]
4. D\[x=\pm\sqrt{7}\]
5\[2x^2-12x-10=0\]
1. A\[x=3\pm\sqrt{14}\]
2. B\[x=\pm11\]
3. C\[x=\pm\sqrt{19}\]
4. D\[x=4, x=-8\]
6\[3x^2-48=0\]
1. A\[x=\pm4\]
2. B\[x=-1, x=-8\]
3. C\[x=-5\pm4\sqrt{10}\]
4. D\[x=\pm\sqrt{2}\]
7\[x^2+2x-14=0\]
1. A\[x=-1\pm\sqrt{15}\]
2. B\[x=3\pm4\sqrt{3}\]
3. C\[x=-7, x=5\]
4. D\[x=\pm7\]
8\[5x^2-65=0\]
1. A\[x=\pm\sqrt{13}\]
2. B\[x=\pm25\]
3. C\[x=-10, x=3\]
4. D\[x=-6\pm\sqrt{3}\]
9\[4x^2-20x=0\]
1. A\[x=0,x=5\]
2. B\[x=\pm2\]
3. C\[x=-8\pm2\sqrt{2}\]
4. D\[x=\pm6\sqrt{11}\]
10\[x^2-12x-1=0\]
1. A\[x=6\pm\sqrt{37}\]
2. B\[x=-12, x=9\]
3. C\[x=7\pm\sqrt{7}\]
4. D\[x=-6\]

Descripción: Solve without us fractions. integers and Square Roots. Some have a common factor.
Autor: Theresa C.
Idioma: English
Visitas: 22
Etiquetas: quadratic algebra gmat
Valoración: Aún sin valoraciones
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