Linear Equations

What is the gradient of the line $10x+9y-7=0$10`x`+9`y`−7=0?

$\frac{10}{9}$109

A

$\frac{9}{10}$910

B

$-\frac{9}{10}$−910

C

$-\frac{10}{9}$−109

D

$\frac{10}{9}$109

A

$\frac{9}{10}$910

B

$-\frac{9}{10}$−910

C

$-\frac{10}{9}$−109

D

Easy

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Apply co-ordinate geometry techniques to points and lines

Apply co-ordinate geometry methods in solving problems