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Use the quadratic equation y equals x2 plus 3x plus 9 Calculate the discriminant to determine the number of real roots?
The discriminant is -27 and so there are no real roots.
How do you find how many x intercepts the parabola has using the discriminant?
If the discriminant is negative, there are 0 interceptsIf the discriminant is zero, there is 1 interceptIf the discriminant is positive, there are 2 intercepts
What is the discriminant of the polynomial 2x2 5x 4?
The discriminant is -7
What is the discriminant of x squared equals 4?
The discriminant is 16
What are the three outcomes of a discriminant?
The discriminant can be positive, zero or negative.
How do you know if the discriminant is negative?
You calculate the value of the discriminant. If the answer is less that zero, that is, if the answer has a minus sign in front then it is negative.
What is the discriminant of x2 plus 7x plus 2 equals 0?
The discriminant is b2 - 4ac. In this case, a = 1, b = 7, and c = 2. Just replace and calculate.
Use the quadratic equation y equals x2 plus 3x plus 9 Calculate the discriminant to determine the number of real roots?
The discriminant is -27 and so there are no real roots.
What does the discriminant tell you?
The discriminant tells you how many solutions there are to an equation The discriminant is b2-4ac For example, two solutions for a equation would mean the discriminant is positive. If it had 1 solution would mean the discriminant is zero If it had no solutions would mean that the discriminant is negative
How do you tell if a discriminant is positive negative or zero?
With the standard notation, If b2 < 4ac then the discriminant is negative If b2 = 4ac then the discriminant is zero If b2 > 4ac then the discriminant is positive
How do you find how many x intercepts the parabola has using the discriminant?
If the discriminant is negative, there are 0 interceptsIf the discriminant is zero, there is 1 interceptIf the discriminant is positive, there are 2 intercepts
How do you find the value of the discriminant -16x2 plus 10x-20 equals 0?
Calculate 10^2 - 4*(-16)*(-20)
What is the discriminant of the polynomial 9x2 - 18x 9?
The discriminant is 0.
What is the discriminant of the equation X2-10?
12
What is the discriminant of 2x2 plus 4x - 9?
The discriminant is 88.
What are the three outcomes of a discriminant?
The discriminant can be positive, zero or negative.
What is the discriminant of x squared equals 4?
The discriminant is 16
