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In Mathematics / High School | 2014-04-29

The graphs of the equations [tex]y = 2x - 7[/tex] and [tex]y = kx + 7[/tex] are parallel when [tex]k[/tex] equals ________.

Asked by tharsher

Answer (2)

y = 2 x − 7 an d y − k x = 7 y = 2 x − 7 an d y = k x + 7 tw o l in es a re p a r a ll e l i f t h e i r s l o p es a re t h e s am e : k = 2

Answered by Lilith | 2024-06-10

The graphs of y = 2 x − 7 and y = k x + 7 are parallel when k = 2 . This is because both lines have the same slope. Therefore, we equate the slopes to find k = 2 .
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Answered by Lilith | 2024-09-29

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