Homepage / Pendidikan / Jika garis x - 2y - 2 = 0 dicerminkan terhadap garis y = x, maka akan diperoleh bayangan ... , Select one:, a., -2x + y + 2 = 0, b., 2x - y + 2 = 0, c., 2x + y - 2 = 0, d., 2x + y + 2 = 0, e., -2x - y + 2 = 0

Jika garis x – 2y – 2 = 0 dicerminkan terhadap garis y = x, maka akan diperoleh bayangan … , Select one:, a., -2x + y + 2 = 0, b., 2x – y + 2 = 0, c., 2x + y – 2 = 0, d., 2x + y + 2 = 0, e., -2x – y + 2 = 0

By ScreenbooksPosted on June 23, 2022

Jika garis x – 2y – 2 = 0 dicerminkan terhadap garis y = x, maka akan diperoleh bayangan …

Select one:

-2x + y + 2 = 0

2x – y + 2 = 0

2x + y – 2 = 0

2x + y + 2 = 0

-2x – y + 2 = 0

Jawaban:

$(b) \: 2x - y + 2 = 0$

Penjelasan dengan langkah-langkah:

$garis \: x - 2y - 2 = 0 \: dicerminkan \: terhadap \: garis \: y = x$

$y = x = > \binom{0 \: 1}{1 \: 0}$

$bayangan = \binom{x {}^{1} }{y {}^{1} } = \binom{0 \: 1}{1 \: 0} \binom{x}{y} \\ = \binom{x {}^{1} }{y {}^{1} } = \binom{y}{x}$

$x = y {}^{1} \\ y = x {}^{1}$

$substitusi \: ke \\ x - 2y - 2 = 0 \\ y {}^{1} - 2(x {}^{1} ) - 2 = 0 \\ y - 2x - 2 = 0 \\ - 2 + y - 2 = 0 \\ 2x - y + 2 = 0$

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