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# In the xy-plane, the points (a, 0) and (0, b) are on the lin

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Moderator
Joined: 18 Apr 2015
Posts: 4914
Followers: 74

Kudos [?]: 977 [0], given: 4499

In the xy-plane, the points (a, 0) and (0, b) are on the lin [#permalink]  21 Nov 2017, 13:02
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Question Stats:

88% (00:42) correct 12% (00:41) wrong based on 25 sessions
In the xy-plane, the points (a, 0) and (0, b) are on the line whose equation is $$y = \frac{1}{2} x + 10$$

 Quantity A Quantity B a b

A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Director
Joined: 07 Jan 2018
Posts: 539
Followers: 4

Kudos [?]: 465 [1] , given: 82

Re: In the xy-plane, the points (a, 0) and (0, b) are on the lin [#permalink]  19 Jan 2018, 01:28
1
KUDOS
Explanation

to get the value for point a
we replace 0 for y in the given equation
this gives 0=1/2 x + 10
-10=1/2 x>>>-20 = x

for b
replace 0 for x to get
y= 10
(B)
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This is my response to the question and may be incorrect. Feel free to rectify any mistakes

Intern
Joined: 24 Jan 2018
Posts: 31
Followers: 0

Kudos [?]: 4 [1] , given: 8

Re: In the xy-plane, the points (a, 0) and (0, b) are on the lin [#permalink]  26 Jan 2018, 09:12
1
KUDOS
We replace:
(a,0)--> 0=1/2(a)+10; so we get a=-20
(0,b)--> b=1/2(0)+10 we get b=10
b>a
Re: In the xy-plane, the points (a, 0) and (0, b) are on the lin   [#permalink] 26 Jan 2018, 09:12
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