Quiz about Ejercicio Formula General, la vieja confiable

Question 1

El siguiente paso en el procedimiento es $$x=\frac{-\left(12\right)\pm\sqrt[]{12^2-4\left(-7\right)\left(64\right)}}{2\left(-7\right)}\ $$

Accepted Answer

$$x=\frac{-12\pm\sqrt[]{144+1792}}{-14}\ $$

Answer

$$x=\frac{-12\pm\sqrt[]{144-1792}}{14}\ $$

Answer

$$x=\frac{12\pm\sqrt[]{144+1792}}{14}\ $$

Question 2

$$x=\frac{-12\pm\sqrt[]{144+1792}}{-14}\ \ el\ siguiente\ paso\ es$$

Accepted Answer

$$x=\frac{-12\pm\sqrt[]{1936}}{-14}\ $$

Answer

$$x=\frac{-12\pm\sqrt[]{1648}}{-14}\ $$

Answer

$$x=\frac{-12\pm\sqrt[]{-1648}}{-14}\ $$

Question 3

$$x=\frac{-12\pm\sqrt[]{1936}}{-14}\ \ el\ siguiente\ paso\ es$$

Accepted Answer

$$x=\frac{-12\pm44}{-14}\ $$

Answer

$$x=\frac{-12\pm966.5}{-14}\ $$

Answer

$$x=\frac{-12\pm484}{-14}\ $$

Question 4

$$x=\frac{-12\pm44}{-14}\ $$ el siguiente paso y las soluciones son:

Accepted Answer

$$x=\frac{-12-44}{-14}=\frac{-56}{-14}=\ \frac{28}{7}=4$$ $$x=\frac{-12+44}{-14}=\frac{32}{-14}=\ \frac{16}{-7}=-2.28$$

Answer

$$x=\frac{-12-44}{-14}=\frac{56}{-14}=\ \frac{28}{7}=-4$$ $$x=\frac{-12+44}{-14}=\frac{-32}{-14}=\ \frac{16}{7}=2.28$$

Question 5

$$x=\frac{-\left(-5\right)\pm\sqrt[]{-5^2-4\left(1\right)\left(-84\right)}}{2\left(1\right)}\ \ el\ siguiente\ paso\ es$$

Accepted Answer

$$x=\frac{5\pm\sqrt[]{25+336}}{2}\ $$

Answer

$$x=\frac{5\pm\sqrt[]{25-336}}{2}\ $$

Answer

$$x=\frac{-5\pm\sqrt[]{25-336}}{2}\ $$

Question 6

$$x=\frac{5\pm\sqrt[]{25+336}}{2}\ \ el\ siguiente\ paso\ es$$

Accepted Answer

$$x=\frac{5\pm\sqrt[]{361}}{2}\ $$

Answer

$$x=\frac{5\pm\sqrt[]{311}}{2}\ $$

Answer

$$x=\frac{-5\pm\sqrt[]{-311}}{2}\ $$

Question 7

$$x=\frac{5\pm\sqrt[]{361}}{2}\ \ el\ siguiente\ paso\ es$$

Accepted Answer

$$x=\frac{5\pm19}{2}\ $$

Answer

$$x=\frac{5\pm155.5}{2}\ $$

Answer

$$x=\frac{-5\pm16}{2}\ $$

Question 8

$$x=\frac{5\pm19}{2}\ \ el\ siguiente\ paso\ es$$

Accepted Answer

$$x=\frac{5+19}{2}=\frac{24}{2}=12\ $$

$$x=\frac{5-19}{2}=\frac{-14}{2}=-7$$

Answer

$$x=\frac{5+19}{2}=\frac{24}{2}=12$$

$$x=\frac{5-19}{2}=\frac{14}{2}=7$$

Answer

$$x=\frac{5+19}{2}=\frac{24}{2}=-12$$

$$x=\frac{5-19}{2}=\frac{14}{2}=7$$

Ejercicio Formula General, la vieja confiable