611 prompts matching "A pair with equal roots, meaning one solution only"
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Rationalising a denominator with a surd and integer
I am in SS 1. I'm going to explain rationalising a denominator such as 6 divided by (2 roo
Surds combined with algebraic terms
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Complement of a set within a universal set
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Logical reasoning with 'and' versus 'or' in sets
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Series exam question with show all working
I am in SS 1. I'm going to explain a full Cambridge/Additional Maths style series question
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Equation of a line given gradient and one point
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Equation of a line with a given y-intercept and passing through a point
I am in SS 1. I attempted an Additional Maths question on finding the equation of a straig
Expanding and simplifying with negative brackets
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Simplifying an expression with brackets and indices together
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Factorising a quadratic with a coefficient in front of x squared
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Cross-multiplying to solve an equation with fractions
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Practice: Deciding whether root 16 is rational or irrational
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Practice: Rationalising a denominator with a whole number multiplying the surd
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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Practice: Solving an equation with a surd on each side
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Common Mistakes: A surd equation that has no real solution
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