1,483 prompts matching "IGCSE-style teach me: How a negative coefficient moves the branches"
Worked example: An exact Pythagoras answer left as a simplified surd
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Worked example: The equation y equals mx plus c
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Worked example: The equation of a line through two points
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Worked example: The back bearing of a given bearing
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Explain back: Converting a base two number to base ten
I have just studied converting a base two number to base ten in my SS1 Mathematics class.
Spot my mistake: Converting a base eight number to base ten
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Worked example: Converting a number with a fractional part to base ten
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Explain back: Adding two numbers in a base other than ten
I have just studied adding two numbers in a base other than ten in my SS1 Mathematics clas
Spot my mistake: Subtracting in a base other than ten, with borrowing
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Worked example: Multiplying two numbers in base five
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Explain back: The law for a product raised to a power
I have just studied the law for a product raised to a power in my SS1 Mathematics class. L
Spot my mistake: Deriving the zero index from the division law
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Explain back: An indicial equation needing a substitution
I have just studied an indicial equation needing a substitution in my SS1 Mathematics clas
Worked example: An indicial equation solved with logarithms
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Spot my mistake: Finding an angle with an inverse ratio
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Worked example: A two-step problem needing two ratios
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Spot my mistake: The sign of each ratio in the four quadrants
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Worked example: The reference angle for an angle beyond 90 degrees
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Spot my mistake: The angle of depression and its relation to elevation
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Worked example: Finding the height of a mast from its angle of elevation
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