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VMariaS [17]
3 years ago
13

For which value of a are the graphs of –4 = 3x + 6y and ax – 8y = 12 parallel?

Mathematics
1 answer:
Alla [95]3 years ago
5 0
A = -4

If you plug in -4, it becomes -4x - 8y = 12 and if you turn this into slope-intercept form, it is y = -1/2x + 12.

The first equation, -4 = 3x + 6y, put into slope-intercept form is y = -1/2x - 2/3

They have the same slope, making them parallel.
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