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Arbeidsark: Rette linjer

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Rette linjer
Nivå 3 · Likningen for en linje
Finn likningen for linjen gjennom de to punktene, på formen y = kx + m.
1.
(4, 1)(6, 0)(4,\,1) \qquad (6,\,0)
y=y =
2.
(1, −6)(2, −3)(1,\,-6) \qquad (2,\,-3)
y=y =
3.
(−3, −15)(0, 0)(-3,\,-15) \qquad (0,\,0)
y=y =
4.
(2, −8)(6, −10)(2,\,-8) \qquad (6,\,-10)
y=y =
5.
(−4, 7)(0, 9)(-4,\,7) \qquad (0,\,9)
y=y =
6.
(−1, −4)(1, −14)(-1,\,-4) \qquad (1,\,-14)
y=y =
7.
(2, 15)(3, 18)(2,\,15) \qquad (3,\,18)
y=y =
8.
(−2, 10)(0, 0)(-2,\,10) \qquad (0,\,0)
y=y =
9.
(2, −3)(8, 6)(2,\,-3) \qquad (8,\,6)
y=y =
10.
(−2, 15)(1, 6)(-2,\,15) \qquad (1,\,6)
y=y =
Fasit
Rette linjer · Nivå 3 · Likningen for en linje
1.y=−12x+3y = -\frac{1}{2}x + 3
2.y=3x−9y = 3x - 9
3.y=5xy = 5x
4.y=−12x−7y = -\frac{1}{2}x - 7
5.y=12x+9y = \frac{1}{2}x + 9
6.y=−5x−9y = -5x - 9
7.y=3x+9y = 3x + 9
8.y=−5xy = -5x
9.y=32x−6y = \frac{3}{2}x - 6
10.y=−3x+9y = -3x + 9