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Q: What is the discriminant of the equation 4x2 plus 1 equals 9x-2?

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The discriminant is 0.

The discriminant of the equation ... (b2-4ac) = (225-160) ... is real and positive, so the roots are real and unequal.

Discriminant = b2-4ac = (-2)2-(4*4*4) = -60

72-4*4*4 = -15 The discriminant is less than zero so there's no solutions to the quadratic equation.

zero

The coefficients are a = 4, b = -3, c = -8. The discriminant is calculated with the formula b2 - 4ac, so just replace the coefficients in this formula.

4x2 plus 3=11

It has 2 real solutions because the discriminant is greater than zero.

It can't be factored because the discriminant is less than zero.

2.

y=4x2+3x+8

x2-5-4x2+3x = 0 -3x2+3x-5 = 0 or as 3x2-3x+5 = 0

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