1,298 prompts matching "Forming an equation whose roots are three alpha and three beta"
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WAEC Prep: Solving a quadratic whose discriminant is negative
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Worked Example: The area between a curve and the x-axis
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Learn: An area lying below the x-axis, and its sign
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WAEC Prep: The equations of motion for constant acceleration
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Solve a 3x3 simultaneous equation system with Cramer's rule #1
I am in SS 3. Use Cramer's rule to solve the system x + y + z = 6, 2x - y + z = 3, x + 2y
Solve a 3x3 simultaneous equation system with Cramer's rule #2
I am in SS 3. Use Cramer's rule to solve the system 2x + y - z = 5, x - y + 2z = 1, 3x + 2
Solve a 3x3 simultaneous equation system with Cramer's rule #3
Use Cramer's rule to solve the system x - 2y + z = -1, 3x + y - z = 8, 2x - y + 3z = 5. Sh
Solve simultaneous equations using an inverse matrix #1
I am in SS 3. Show me how to write 2x + 3y = 7 and x - y = 1 as a matrix equation, find th
Solve simultaneous equations using an inverse matrix #2
I am in SS 3. Show me how to write 4x + y = 9 and 2x + 3y = 8 as a matrix equation, find t
Solve simultaneous equations using an inverse matrix #3
Show me how to write 3x - 2y = 4 and x + y = 6 as a matrix equation, find the inverse of t
Worked example: solving simultaneous equations with matrices
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Show All Working: Solving an equation written in terms of a binary operation
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Quiz: Solving an index equation by writing both sides to the same base
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Common Mistakes: Solving an exponential equation using logarithms
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Worked Example: The discriminant, and what each of its three cases means
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Practice: Finding alpha minus beta from the sum and the product
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Explain Back: Finding alpha squared beta plus alpha beta squared
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Spot My Mistake: The relations between roots and coefficients for a quartic
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Practice: Arrangements when some of the objects are identical
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Learn: The Pythagorean identity, sin squared plus cos squared equals one
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