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Nyla
10-30-2013, 06:13 AM
Which of the following is the x-intercept of the graph 2x-4y+24=0?

(A) (24,0)

(B) (12,0)

(C) (-12,0)

(D) (-24,0)

(E) (6,0)

Thanks!;)

Lucas
10-30-2013, 06:14 AM
In order to find the point of intersection of this line with the x-axis we have to plug in y=0 in the equation of the line.

So, 2x-4(0)+24=0 \Rightarrow 2x=-24 \Rightarrow x=-12

Therefore the correct answer is (C).

Hope these help!!

Nyla
10-30-2013, 06:14 AM
Thanks lucas!