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OpenStudy (anonymous):
What is the y-intercept of the line described by the equation below? y = 4x - 9 A. (0, 4) B. (0, -4) C. (0, -9) D. (0, 9)
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OpenStudy (welshfella):
the y intercept is the point where x = 0
OpenStudy (welshfella):
- the point on the line where x = 0.
OpenStudy (welshfella):
to find the value of y for the point plug x = 0 into the equation and work it out
OpenStudy (welshfella):
y = 4(0) - 9 = ?
OpenStudy (anonymous):
i got it it was B
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OpenStudy (welshfella):
NO
OpenStudy (welshfella):
what do you get for y ? ( its not -4)
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