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Which of the following could be the equation of the parabola
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30 Sep 2018, 15:40
30 Sep 2018, 15:40
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65% (00:45) correct
34% (00:46) wrong based on 58 sessions
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Which of the following could be the equation of the parabola in the coordinate plane above?
(A) \(y = -x - 1\)
(B) \(y = x^2 + 1\)
(C) \(y = -x^2 - 1\)
(D) \(y = –x^2 + 1\)
(E) \(y = -(x - 1)^2\)
Re: Which of the following could be the equation of the parabola
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12 Apr 2019, 07:07
12 Apr 2019, 07:07
1
Only option D shows Y intercept 1, negative slope or a<0 ( parabola opens down) and some value of X (1, and -1) when Y equals 0. Thus this matches the graph. Is not it?
Re: Which of the following could be the equation of the parabola
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12 Apr 2019, 21:11
12 Apr 2019, 21:11
1
jelal123 wrote:
Only option D shows Y intercept 1, negative slope or a<0 ( parabola opens down) and some value of X (1, and -1) when Y equals 0. Thus this matches the graph. Is not it?
correct The negative in front of choice D indicates a parabola pointing downward from that vertex.
