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Mathematics 8 Online
OpenStudy (anonymous):

Help, please

OpenStudy (anonymous):

OpenStudy (anonymous):

Which point is collinear with points A and C?

OpenStudy (anonymous):

A. (0, 0) B. (1, 0) C. (0, –1) D. (–2, 2)

OpenStudy (anonymous):

A: (0,0) B: (1,0) c:(0,-1) d:(-2,2)

OpenStudy (anonymous):

2: What is the x-intercept of the line with the equation ( , 0)

OpenStudy (aum):

To find x-intercept, put y = 0 in the equation and find x.

OpenStudy (aum):

8x - 1/3 * y = 16 To find x-intercept, put y = 0: 8x - 0 = 16 x = 16/8 = 2 x-intercept (2, 0)

OpenStudy (anonymous):

:D what about the first question?

OpenStudy (aum):

For the first one imagine joining the points A and C with a straight line. This line will go through the left top corner of each small square in the grid. Where does it cross the y-axis?

OpenStudy (anonymous):

The left i think

OpenStudy (aum):

What are the coordinates of the point where it crosses the y-axis? The x-coordinate is obviously 0. What is the y-coordinate?

OpenStudy (anonymous):

(0, -1?)

OpenStudy (aum):

Yes!

OpenStudy (anonymous):

Thanks so much again :D

OpenStudy (aum):

You are welcome.

OpenStudy (anonymous):

:)

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