Wiki-Quellcode von Lösung Lösen von linearen Ungleichungen
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author | version | line-number | content |
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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 |