Are the lines y = –x – 4 and 5x + 5y = 20 perpendicular? explain.
yes; their slopes a...
Mathematics, 31.01.2020 01:43 kpgmfb
Are the lines y = –x – 4 and 5x + 5y = 20 perpendicular? explain.
yes; their slopes are equal.
yes; their slopes have product –1.
no; their slopes are not equal.
no; their slopes are not opposite reciprocals.
Answers: 3
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