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Mathematics, 21.10.2020 21:01 garyyunga2002

Please help really low grade and a test, I need help and I only have 1 attept left! This is my first question
Which of the following lines is perpendicular to the line 2x - y = 4?
y = -2x - 12
y = 1/2x + 12
y = -1/2x + 12
y = 2x + 12

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