1,326 prompts matching "A word problem giving one linear and one quadratic equation"
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Learn: The probability that a normal variable lies between two values
You are my personal SS3 Further Mathematics tutor. Teach me the probability that a normal
Quiz: The probability in the upper tail of a normal distribution
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Spot My Mistake: When the normal distribution may approximate the binomial
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Quiz: Writing a two-dimensional vector as a column
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Spot My Mistake: Drawing a vector as a directed line segment
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Learn: The coordinates of a point in three dimensions
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Quiz: The direction cosines of a vector in three dimensions
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Learn: The magnitude of a three-dimensional vector
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Quiz: The direction of a vector as an angle with the x-axis
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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Explain Back: The dot product of two perpendicular vectors
I have just studied the dot product of two perpendicular vectors in my SS3 Further Mathema
Explain Back: The resultant of forces given as vectors
I have just studied the resultant of forces given as vectors in my SS3 Further Mathematics
Spot My Mistake: The equilibrium condition written in vector form
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Quiz: The argument of a complex number
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Explain Back: The locus of a complex number at a fixed distance from a point
I have just studied the locus of a complex number at a fixed distance from a point in my S
Quiz: Writing a complex number in polar form
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Explain Back: Raising a complex number to a power by de Moivre's theorem
I have just studied raising a complex number to a power by de Moivre's theorem in my SS3 F
Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
Act as my SS3 Further Mathematics tutor. Work a question on deriving a multiple angle form
Learn: The cube roots of unity
You are my personal SS3 Further Mathematics tutor. Teach me the cube roots of unity, worki
Explain Back: Differentiating tan x
I have just studied differentiating tan x in my SS3 Further Mathematics class. Let me expl