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The browser that is used for submitting questions does not permit many mathematical symbols. It is therefore not possible to be sure what the question was. For a quadratic equation of the form y = ax^2 + bx + c, where a, b and c are real numbers and a is non-zero, the discriminant is b^2 – 4ac.
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Earn +20 ptsQ: What is the discriminant of 4x2 6x-5?
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What is the value of the discriminant of the polynomial 4x2 plus 7x plus 4?
zero
How do you Factorise 4x2 plus 6x plus 3?
It can't be factored because the discriminant is less than zero.
What is the value of the discriminant of the polynimial 4x2 plus 7x plus 4?
72-4*4*4 = -15 The discriminant is less than zero so there's no solutions to the quadratic equation.
What is 4x2 plus 4x plus 10?
It's a quadratic expression which can't be factorized because its discriminant is less than zero.
What is the nature of the roots of 4x2 plus 15x plus 10 equals 0?
The discriminant of the equation ... (b2-4ac) = (225-160) ... is real and positive, so the roots are real and unequal.
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