1,045 prompts matching "Expressing a rationalised answer in the form a root b over c"
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Explain Back: An answer left in surd form after completing the square
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Explain Back: Leaving the roots of a quadratic in surd form
I have just studied leaving the roots of a quadratic in surd form in my SS2 Further Mathem
Learn: The sum of the roots as minus b over a
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Final Revision: Expanding a bracket of the form a plus b over x
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WAEC Prep: Forming an equation whose roots are alpha plus one and beta plus one
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Show All Working: Forming an equation whose roots are three alpha and three beta
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Quiz me on the using the discriminant to describe the roots
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Discriminant and the nature of roots
Act as my SS2 Further Maths tutor. Teach me how to use the discriminant b^2-4ac from the q
WAEC exam question using the quadratic formula
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Worked example: solve x^2+4x+13=0 giving the roots as complex numbers
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Give me a 5-minute recap of the quadratic formula
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Spot My Mistake: Completing the square when the roots are not real
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Quiz: A negative value of b in the quadratic formula
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Spot My Mistake: What the formula gives when the discriminant is nought
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WAEC Prep: What the formula gives when the discriminant is negative
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Show All Working: Choosing between factorising and the formula
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Worked Example: The product of the roots as c over a
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WAEC Prep: Checking the sum and product against the solved roots
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WAEC Prep: Dividing by a factor of the form ax plus b
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Show All Working: What the factor theorem says about the roots
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