russellmadison1 russellmadison1

04-02-2018
Mathematics

contestada

What is the x intercept of 3x-4y+18=0?

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annastasia annastasia

04-02-2018

3x = 4y - 18

x = 4/3 y - 6

x = 4/3 y + (-6)

the x intercept = -6

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mathstudent55 mathstudent55

04-02-2018

The x-intercept is the point at which the graph intersects the x-axis.
A that point, the y-coordinate is 0.
Let y = 0, and solve for x.

3x - 4y + 18 = 0

3x - 4(0) + 18 = 0

3x + 18 = 0

3x = -18

x = -6

The x-intercept is the point (-6, 0).

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