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The y-intercept of the line y=3x-4

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The y-intercept of the line y=3x-4 [#permalink] New post   21 Mar 2019, 10:45
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Quantity A
Quantity B
The y-intercept of the line \(y=3x-4\)
The x-intercept of the line \(y-3.5=0.5(x-3)\)



Quantity A is greater.
Quantity B is greater.
The two quantities are equal.
The relationship cannot be determined from the information given.
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C
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Re: The y-intercept of the line y=3x-4 [#permalink] New post   21 Mar 2019, 21:03
1
y-intercept is the value of y when x =0

for qty A

\(y = 3*0 - 4\)
or,\(y = -4\)

for qty B we are required to find x-intercept which is the value of x when y =0

therefore,
\(0-3.5 = 0.5(x-3)\)
\(or, -3.5/0.5 = (x-3)\)
or, \(-7 = x - 3\)
hence \(-4 = x\)

both qty's are equal so option c
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Re: The y-intercept of the line y=3x-4 [#permalink]
21 Mar 2019, 21:03
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