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The graph of a certain quadratic function does not cross the x-axis. Which of the following are possible values for the discriminant?a) 18 b) 0 c) -25 d) -7

The graph of a certain quadratic function does not cross the x-axis. Which of the following are possible values for the discriminant?a) 18 b) 0 c) -25 d) -7
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The graph of a certain quadratic function does not cross the x-axis. Which of the following are possible values for the discriminant?a) 18 b) 0 c) -25 d) -7

User Jinho Yoo
by
7.6k points

1 Answer

3 votes
As the function is quadratic, it must be positive or equal 0.
Therefore B and D are possible values.
User Oxilumin
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8.6k points
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