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horsena [70]
3 years ago
7

3a²−4a+9=0 Use the discriminant to determine the number of real solutions to the quadratic equation.

Mathematics
1 answer:
ra1l [238]3 years ago
4 0

Answer:

None

Step-by-step explanation:

The discriminant of a quadratic equation is b^2-4ac. In this case, that is:

(-4)^2-4(3)(9)=16-108=-92

Since the discriminant is negative, the square root will be a complex number, and this equation must have no real solutions. Hope this helps!

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alexgriva [62]
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You can set up the equation like this;
[tex] m= \frac{y2-y1}{x2-x1}\\
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To find the y-intercept, solve y = (1)x + b for b;
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Plug the values of a point in for x and y;
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Step-by-step explanation:

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Answer:

look at this as a example.

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