1,148 prompts matching "Solving a surd equation that leads to a quadratic"
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Non-calculator paper: coordinate geometry with fractional gradients
I am in SS 3. Give me a non-calculator coordinate geometry question where the gradient wor
Explain Back: Showing that AB and BA are usually different for 2 by 2 matrices
I have just studied showing that AB and BA are usually different for 2 by 2 matrices in my
Spot My Mistake: Orders that make a product possible one way round but not the other
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Quiz: Solving AX equals B and XA equals B by different routes
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Explain Back: The rule that the transpose of a product reverses the order
I have just studied the rule that the transpose of a product reverses the order in my SS3
Quiz: Finding an unknown entry from a stated matrix equation
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Quiz: Arranging the equations in standard form before applying Cramer's rule
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Worked Example: The identity that A times its adjoint gives the determinant times the identity
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WAEC Prep: Simultaneous equations with fractional coefficients solved by matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through simultaneous equat
Practice: What a singular coefficient matrix says about the equations
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Practice: Comparing the inverse method with elimination for three equations
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Worked Example: Checking the solution of three equations by substitution
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WAEC Prep: Resolving before compounding several forces
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through resolving before c
Explain Back: Showing that a system of concurrent forces is in equilibrium
I have just studied showing that a system of concurrent forces is in equilibrium in my SS3
Practice: Resolving three forces in two perpendicular directions
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WAEC Prep: The z-score of a value that lies below the mean
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WAEC Prep: The probability that a normal variable exceeds the mean by more than one standard deviation
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Learn: The probability that a normal variable lies between two values
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WAEC Prep: A quadratic whose roots are 2 plus i and 2 minus i
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a quadratic whose
Practice: Why complex roots of a real quadratic come in conjugate pairs
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