755 prompts matching "Practice: Using the normal tables when the z-score is negative"
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Set theory laws: commutative and associative
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Finding the number of terms in an arithmetic series
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Deciding whether a geometric series converges
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Solving for x when three terms are in arithmetic progression
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Finding the first term or common difference from the sum formula
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Finding the point of intersection of two lines
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Distinguishing gradient sign: positive, negative, zero, undefined
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Finding the equation of a median of a triangle
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Solving a linear inequality and showing the solution
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Changing the subject of a simple formula
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Simplifying an expression with brackets and indices together
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Explaining the difference between an expression and an equation
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Explain Back: Where the surds sit on the number line
I have just studied where the surds sit on the number line in my SS1 Further Mathematics c
Final Revision: Approximating a surd to three decimal places
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Final Revision: Surds that cannot be combined at all
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Worked Example: Adding two surds that simplify to the same root
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Worked Example: Why multiplying by the conjugate clears the surd
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Explain Back: The difference of two squares applied to surd conjugates
I have just studied the difference of two squares applied to surd conjugates in my SS1 Fur
Final Revision: Checking a conjugate answer by multiplying back
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