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a^2 - 10a + 25 = b
[#permalink]
24 Jan 2024, 11:45
24 Jan 2024, 11:45
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50% (01:10) correct
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\(a^2 - 10a + 25 = b\)
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.
Quantity A |
Quantity B |
0 |
The least possible value of \(b\) |
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.
Re: a^2 - 10a + 25 = b
[#permalink]
24 Jan 2024, 11:59
24 Jan 2024, 11:59
Expert Reply
Notice how this is a good question and at the same time a bad question.
The good is that it tests good algebra concepts.
The bad is that this is not a GRE question for the only reason we do have a number in A and a text in B. In the real GRE we will never see this. It will always be, in the two quantities, that A is a text or a number, and B will always be a number or a text. However, if one is a text and one is a number to compare, then the number will always be in quantity b.
That said, finding the roots of the equation we do have that
a--5=b and a-5=b
So, they are equal and we will have a-b=5
The only possible value to have 5 is a =5 and b =0
C is the answer
The good is that it tests good algebra concepts.
The bad is that this is not a GRE question for the only reason we do have a number in A and a text in B. In the real GRE we will never see this. It will always be, in the two quantities, that A is a text or a number, and B will always be a number or a text. However, if one is a text and one is a number to compare, then the number will always be in quantity b.
That said, finding the roots of the equation we do have that
a--5=b and a-5=b
So, they are equal and we will have a-b=5
The only possible value to have 5 is a =5 and b =0
C is the answer
Re: a^2 - 10a + 25 = b
[#permalink]
14 Oct 2025, 23:36
14 Oct 2025, 23:36
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
