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C1 coordinate geometry question help?

0 votes

The line y=1/4 x + 2 meets the y-axis at the point B. The point C has coordinates (-5,3).
Find the gradient of the line joining the points B and C. 
Can someone show me how to work this out please?

asked Apr 8, 2016 in GEOMETRY by anonymous

1 Answer

0 votes

The line equation is image.

General form of line equation is image.

Here image is slope or gradient and image is image intercept.

Find point image coordinates.

Compare the both equations.

Gradient image, image intercept is image, then image.

The point image has coordinates image.

Find the gradient of the line joining the point image and image.

The line joining the point image and image.

Formula for image.

Substitute image and image.

image

The gradient of the line joining the point image and image is image.

answered Apr 12, 2016 by Anney Mentor

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