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Andru [333]
4 years ago
12

In which direction will a parabola with the equation y=-3x^2+9 open?

Mathematics
1 answer:
JulsSmile [24]4 years ago
7 0
Downward you can check this by putting this in your graphing calculator 
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What is 4X +9 equals 5X -2
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Answer:

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Which values of c will cause the quadratic equation –x2 3x c = 0 to have no real number solutions? check all that apply.
nika2105 [10]

The given quadratic equation will not have any real solution for c<-9/4.

The given quadratic equation is:

-x^{2} +3x+c=0

<h3>What is a quadratic equation?</h3>

Any equation of the form ax^{2} +bx+c=0 is called a quadratic equation with a≠0.

In order to have no real solution, the discriminant of a quadratic equation will be less than zero.

D < 0

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c < -\frac{9}{4}

For c < -\frac{9}{4} the given quadratic equation will have no real solutions.

Hence, the given quadratic equation will not have any real solution for c<-9/4.

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5 0
2 years ago
Solve for X. -ax + 2b &gt; 8 
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Answer:

x < ( -2b+8)/-a

Step-by-step explanation:

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Divide each side by -a, remembering to flip the inequality

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