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y=x^2-x and y=x-1
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05 Sep 2021, 15:05
05 Sep 2021, 15:05
Expert Reply
00:00
Question Stats:
82% (00:44) correct
17% (00:48) wrong based on 28 sessions
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\(y=x^2-x\) and \(y=x-1\)
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 |
x |
1 |
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: y=x^2-x and y=x-1
[#permalink]
05 Sep 2021, 18:53
05 Sep 2021, 18:53
1
Answer is D. The relationship cannot be determined from the information given
If x = 1, then A =B,
if x = 2 then A > B, since both can't be right, answer is D.
If x = 1, then A =B,
if x = 2 then A > B, since both can't be right, answer is D.
Re: y=x^2-x and y=x-1
[#permalink]
05 Sep 2021, 19:17
05 Sep 2021, 19:17
2
\(y=x^2-x\) and \(y=x-1\)
\(x^2 - x = x - 1\)
\(x^2 - 2x + 1 = 0\)
\((x-1)^2 = 0\)
\(x = 1\)
Qt A = Qt B
Answer C
\(x^2 - x = x - 1\)
\(x^2 - 2x + 1 = 0\)
\((x-1)^2 = 0\)
\(x = 1\)
Qt A = Qt B
Answer C
