755 prompts matching "Lami's theorem derived from the triangle of forces"
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Representing a solution set on a number line
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Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving simultaneous linear equations by elimination
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Substituting values into an algebraic expression
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Solving a word problem using simultaneous equations
I am in SS 1. I'm going to explain a word problem that must be solved by setting up and so
Common sign errors in algebraic manipulation
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Final Revision: Approximating a surd to three decimal places
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Practice: Collecting similar surds in an expression
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Final Revision: Surds that cannot be combined at all
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Practice: Multiplying a whole number by a surd
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Show All Working: Simplifying a surd expression that contains brackets
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Show All Working: Checking a rationalised answer by decimal approximation
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Final Revision: Checking a conjugate answer by multiplying back
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Quiz: Checking a surd equation for extraneous roots
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Practice: Solving an equation with a surd on each side
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Show All Working: Finding a and b when a plus b root 2 equals a given surd
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Common Mistakes: A surd equation that has no real solution
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