1,334 prompts matching "Cross-multiplying to solve an equation with fractions"
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Worked Example: The area between a curve and the x-axis
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WAEC Prep: The derivative read as a rate of change
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Practice: The sign convention for displacement, velocity and acceleration
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WAEC Prep: The horizontal and vertical components of a projectile's velocity
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Practice: The range of a projectile on level ground
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WAEC Prep: The work done by a constant force
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WAEC Prep: The nth term of an arithmetic progression
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Worked Example: Finding the first term and the common difference from two given terms
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Practice: The sum to infinity of a convergent geometric series
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WAEC Prep: Expanding a bracket by the binomial theorem
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WAEC Prep: The mean of a set of ungrouped data
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WAEC Prep: The scatter diagram, and what it shows about correlation
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Practice: The rank correlation coefficient
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Explain Back: The line of best fit, and the regression line
I have just studied the line of best fit, and the regression line in my SS3 Further Mathem
Spot my mistake in a matrix transpose
I am in SS 3. I found the transpose of A=[[1,2,3],[4,5,6]] as [[1,4],[2,5],[3,6]] — please
Order of matrices before multiplying
I am in SS 3. Quiz me on when two matrices can be multiplied based on their orders. Give m
Evaluate a 2x2 determinant #2
I am in SS 3. Give me a 2x2 matrix like A=[[7,-2],[3,1]] and ask me to evaluate its determ
Evaluate a 2x2 determinant #3
Give me a 2x2 matrix like A=[[6,4],[-1,5]] and ask me to evaluate its determinant using ad
Evaluate a 2x2 determinant #4
Give me a 2x2 matrix like A=[[-3,2],[4,-5]] and ask me to evaluate its determinant using a
Evaluate a 2x2 determinant #6
I am in SS 3. Give me a 2x2 matrix like A=[[0,-4],[6,2]] and ask me to evaluate its determ