3 years ago

In the xy-plane what is the x-intercept of the graph of

1 answer:

7 0

The x-intercept is obtained by solving the equation
<span>y=-(2/3)x-4 substituting y=0 (i.e. where line cuts y=0)
</span>0=-(2/3)x-4 =>
(2/3)x=-4
multiply by 3 on both sides
(2/3)x*3=-4*3
2x=-12
divide by 2 on each side
x=-6 [x-intercept]

Check: y(-6)=-(2/3)(-6) -4=4-4=0 good!

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