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Oliver
10-26-2013, 04:04 AM
A straight line has equation -5y=4-2x , which of the following is its slope?

(A) -2

(B) \frac{2}{5}

(C) \frac{-4}{5}

(D) 4

Thanks!;)

nicole
10-26-2013, 04:05 AM
In order to find the slope of a line we must rewrite the equation to slope-intercept form i.e. y=ax+b where a is the slope.

So, the equation can be written as -5y=4-2x \Rightarrow y=\frac{2}{5}x-\frac{4}{5}

Therefore the correct answer is (B).

Hope these help!!;)

Oliver
10-26-2013, 04:05 AM