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Sagot :
Vamos a clasificar cada ecuación cuadrática según el tipo que corresponda.
1. Tipo [tex]$A$[/tex]:
- Forma: [tex]$a x^2 + c = 0$[/tex]
- Ejemplos:
- [tex]$- 9 x^2 = \frac{-100}{7}$[/tex]
- [tex]$20 x^2 - 20 = 0$[/tex]
- [tex]$- x^2 - 100 = 0$[/tex]
2. Tipo [tex]$B$[/tex]:
- Forma: [tex]$a x^2 + b x + c = 0$[/tex]
- Ejemplos:
- [tex]$8 x^2 + 2 x - 7 = 0$[/tex]
- [tex]$- 4 x^2 + 3 x + 5 = 0$[/tex]
3. Tipo [tex]$C$[/tex]:
- Forma: [tex]$a x^2 + b x = 0$[/tex]
- Ejemplos:
- [tex]$x^2 - x = 0$[/tex]
- [tex]$- 7 x^2 - 6 x = 0$[/tex]
- [tex]$8 x^2 + \sqrt{2 x} = 0$[/tex]
Ahora asignemos la inicial correcta en los recuadros:
1. [tex]$- 9 x^2 = \frac{-100}{7}$[/tex] [tex]$\mathbf{A}$[/tex]
2. [tex]$8 x^2 + 2 x - 7 = 0$[/tex] [tex]$\mathbf{B}$[/tex]
3. [tex]$\mathbf{C} - x^2 - x = 0 \qquad$[/tex]
4. [tex]$- 4 x^2 + 3 x + 5 = 0$[/tex] [tex]$\mathbf{B}$[/tex]
5. [tex]$20 x^2 - 20 = 0$[/tex] [tex]$\mathbf{A}$[/tex]
6. [tex]$8 x^2 + \sqrt{2 x} = 0$[/tex] [tex]$\mathbf{C}$[/tex]
7. [tex]$- 7 x^2 - 6 x = 0$[/tex] [tex]$\mathbf{C}$[/tex]
8. [tex]$- x^2 - 100 = 0$[/tex] [tex]$\mathbf{A}$[/tex]
Entonces, los recuadros se completan de la siguiente manera:
- [tex]$- 9 x^2 = \frac{-100}{7}$[/tex] [tex]$ \mathbf{A} $[/tex]
- [tex]$8 x^2 + 2 x - 7 = 0$[/tex] [tex]$ \mathbf{B} $[/tex]
[tex]$\mathbf{C} - x^2 - x=0 \qquad $[/tex]
- [tex]$- 4 x^2 + 3 x + 5=0$[/tex] [tex]$ \mathbf{B} $[/tex]
- [tex]$20 x^2 - 20=0$[/tex] [tex]$ \mathbf{A} $[/tex]
- [tex]$8 x^2 + \sqrt{2 x} = 0$[/tex] [tex]$ \mathbf{C} $[/tex]
[tex]$- 7 x^2 - 6 x = 0$[/tex] [tex]$ \mathbf{C} $[/tex]
- [tex]$- x^2 - 100=0$[/tex] [tex]$ \mathbf{A} $[/tex]
1. Tipo [tex]$A$[/tex]:
- Forma: [tex]$a x^2 + c = 0$[/tex]
- Ejemplos:
- [tex]$- 9 x^2 = \frac{-100}{7}$[/tex]
- [tex]$20 x^2 - 20 = 0$[/tex]
- [tex]$- x^2 - 100 = 0$[/tex]
2. Tipo [tex]$B$[/tex]:
- Forma: [tex]$a x^2 + b x + c = 0$[/tex]
- Ejemplos:
- [tex]$8 x^2 + 2 x - 7 = 0$[/tex]
- [tex]$- 4 x^2 + 3 x + 5 = 0$[/tex]
3. Tipo [tex]$C$[/tex]:
- Forma: [tex]$a x^2 + b x = 0$[/tex]
- Ejemplos:
- [tex]$x^2 - x = 0$[/tex]
- [tex]$- 7 x^2 - 6 x = 0$[/tex]
- [tex]$8 x^2 + \sqrt{2 x} = 0$[/tex]
Ahora asignemos la inicial correcta en los recuadros:
1. [tex]$- 9 x^2 = \frac{-100}{7}$[/tex] [tex]$\mathbf{A}$[/tex]
2. [tex]$8 x^2 + 2 x - 7 = 0$[/tex] [tex]$\mathbf{B}$[/tex]
3. [tex]$\mathbf{C} - x^2 - x = 0 \qquad$[/tex]
4. [tex]$- 4 x^2 + 3 x + 5 = 0$[/tex] [tex]$\mathbf{B}$[/tex]
5. [tex]$20 x^2 - 20 = 0$[/tex] [tex]$\mathbf{A}$[/tex]
6. [tex]$8 x^2 + \sqrt{2 x} = 0$[/tex] [tex]$\mathbf{C}$[/tex]
7. [tex]$- 7 x^2 - 6 x = 0$[/tex] [tex]$\mathbf{C}$[/tex]
8. [tex]$- x^2 - 100 = 0$[/tex] [tex]$\mathbf{A}$[/tex]
Entonces, los recuadros se completan de la siguiente manera:
- [tex]$- 9 x^2 = \frac{-100}{7}$[/tex] [tex]$ \mathbf{A} $[/tex]
- [tex]$8 x^2 + 2 x - 7 = 0$[/tex] [tex]$ \mathbf{B} $[/tex]
[tex]$\mathbf{C} - x^2 - x=0 \qquad $[/tex]
- [tex]$- 4 x^2 + 3 x + 5=0$[/tex] [tex]$ \mathbf{B} $[/tex]
- [tex]$20 x^2 - 20=0$[/tex] [tex]$ \mathbf{A} $[/tex]
- [tex]$8 x^2 + \sqrt{2 x} = 0$[/tex] [tex]$ \mathbf{C} $[/tex]
[tex]$- 7 x^2 - 6 x = 0$[/tex] [tex]$ \mathbf{C} $[/tex]
- [tex]$- x^2 - 100=0$[/tex] [tex]$ \mathbf{A} $[/tex]
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