Wiki-Quellcode von Lösung Lösen von linearen Ungleichungen
Verstecke letzte Bearbeiter
| author | version | line-number | content |
|---|---|---|---|
| |
1.1 | 1 | (%class=abc%) |
| 2 | 1. (((Rechnerisch: | ||
| 3 | |||
| 4 | {{formula}} | ||
| 5 | \begin{align*} | ||
| 6 | -2x + 3 &< 5 \quad &&\mid -3\\ | ||
| 7 | -2x &< 2 \quad &&\mid :(-2)\\ | ||
| 8 | x &> -1 | ||
| 9 | \end{align*} | ||
| 10 | {{/formula}} | ||
| 11 | |||
| 12 | Grafisch: | ||
| 13 | ))) | ||
| 14 | 1. (((Rechnerisch: | ||
| 15 | |||
| 16 | {{formula}} | ||
| 17 | \begin{align*} | ||
| 18 | 3(x + 4) &\geq 6 \\ | ||
| 19 | 3x + 12 &\geq 6 \quad &&\mid -12\\ | ||
| 20 | 3x &\geq -6 \quad &&\mid :3 \\ | ||
| 21 | x &\geq -2 | ||
| 22 | \end{align*} | ||
| 23 | {{/formula}} | ||
| 24 | |||
| 25 | Grafisch: | ||
| 26 | ))) | ||
| 27 | 1. (((Rechnerisch: | ||
| 28 | |||
| 29 | {{formula}} | ||
| 30 | \begin{align*} | ||
| 31 | 5 - 3x &> 4(x - 0.5) \\ | ||
| 32 | 5 - 3x &> 4x - 2 \quad &&\mid -5 \quad -4x\\ | ||
| 33 | -7x &> -7 \quad &&\mid :(-7)\\ | ||
| 34 | x &< 1 | ||
| 35 | \end{align*} | ||
| 36 | {{/formula}} | ||
| 37 | |||
| 38 | Grafisch: | ||
| 39 | ))) | ||
| 40 | 1. (((Rechnerisch: | ||
| 41 | |||
| 42 | {{formula}} | ||
| 43 | \begin{align*} | ||
| 44 | 6 + 3(x - 1) &\leq 4(x + 3(x - 1)) - 8x \\ | ||
| 45 | 6 + 3x - 3 &\leq 4(4x - 3) - 8x \\ | ||
| 46 | 3x + 3 &\leq 16x - 12 - 8x \\ | ||
| 47 | 3x + 3 &\leq 8x - 12 \quad &&\mid -8x \quad \mid -3\\ | ||
| 48 | -5x &\leq -15 \quad &&\mid :(-5) \\ | ||
| 49 | x &\geq 3 | ||
| 50 | \end{align*} | ||
| 51 | {{/formula}} | ||
| 52 | |||
| 53 | Grafisch: | ||
| 54 | ))) | ||
| 55 |