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okokjade
19.07.2019 •
Mathematics
For which discriminant is the graph possible? b2 – 4ac = 0 b2 – 4ac = –2 b2 – 4ac = 6
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Ответ:
Option a is correct
Because the graph has only one solution.
As the graph touches the x-axis at one point that means that it will have only one solution for x. But we know that a quadratic equation has two solutions. So the graph will have two equal solution amd therefore the discriminant will be 0.
Hope this will help☺☺
Ответ:
First picture:
c = 90, alternate interior angles
5. c = 65, alternate interior angles
Second picture:
c = 100, alternate interior angles
7. x = 49, corresponding angles
y = 49, alternate interior angles