The Quadratic Formula Answers
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1
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If the discriminant of a quadratic equation is equal to , which statement describes the roots?
A
There are two complex roots.B
There are two real roots.C
There is one real root.D
There is one complex root.2
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Which equation could generate the curve in the graph below?
A
y = –2x2 + 3x – 5B
y = –2x2 – 4x – 2C
y = –2x2 – 16x – 28D
y = –2x2 + 6x – 283
Which equation has the solutions ?
A
3x2 – 5x + 7 = 0B
3x2 – 5x – 1 = 0C
3x2 – 10x + 6 = 0D
3x2 – 10x – 1 = 04
If is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equation?
A
The discriminant is 0.B
The discriminant is 6.C
The discriminant is positive.D
The discriminant is negative.Did you find these answers helpful?
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