cherryllewis12 cherryllewis12

04-02-2015
Mathematics

Answered

what is the x-intercept
1/2x - 3y = 8

Answer :

eternal3fear eternal3fear

04-02-2015

x intercept is when y = 0
so 1/2 x - 0 = 8
solving for x
1/2 x = 8
multiply both sides by 2
x = 16 is the y intercept

Answer Link

apologiabiology apologiabiology

04-02-2015

so first make it into slope intercept form y=mx+b

1/2x-3y=8
subtract 1/2x from both sides
-3y=8-1/2x
multiply both sides by -1
3y=1/2x-8
divide both sides by 3
y=1/6x-8/3

the x intercept is when y=0
so set y to zero
0=1/6x-8/3
add 8/3 to both sides
8/3=1/6x
multiply both sides by 6
16=x

the x intercept is 16

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