755 prompts matching "An argument written in words and tested for validity"
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WAEC Prep: A finite sequence and an infinite sequence
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Common Mistakes: The Fibonacci sequence and the rule behind it
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Show All Working: The sum to infinity of a geometric progression, and when it exists
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Common Mistakes: A bouncing ball problem, and the total distance travelled
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IGCSE Additional Maths Y10: A mapping diagram, and what it shows — Common Mistakes
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IGCSE Additional Maths Y10: The domain and range of an inverse function — Show All Working
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IGCSE Additional Maths Y10: The line y equals x as the mirror for an inverse — Worked Example
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IGCSE Additional Maths Y10: Two distinct roots, and what the discriminant shows — Worked Example
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
IGCSE Additional Maths Y10: The discriminant, and where the curve meets the x-axis — Show All Working
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IGCSE Additional Maths Y10: A line that is a tangent to a curve, and the discriminant — Common Mistakes
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IGCSE Additional Maths Y10: Combining a quadratic and a linear inequality — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on c
IGCSE Additional Maths Y10: An exact answer left in surd form — Worked Example
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IGCSE Additional Maths Y10: Solving a linear and a quadratic equation simultaneously — Worked Example
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
IGCSE Additional Maths Y10: The gradient of a horizontal line and of a vertical line — Common Mistakes
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IGCSE Additional Maths Y10: Sketching a cubic and a straight line on the same axes — Common Mistakes
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Recurring decimals as an infinite geometric series
I am in SS 1. I'm going to explain how a recurring decimal, such as 0.777..., can be writt
Indices word problem: bacteria growth
I am in SS 1. Teach me a word problem where a quantity grows according to an index formula
Solving an equation with a fractional exponent on x
I am in SS 1. Quiz me with 3 short Additional Maths questions on solving x^(2/3) = 4 for x
Verifying an index law with numbers
I am in SS 1. I'm going to explain verifying that a^m divided by a^n equals a^(m-n) using
Reviewing all the laws of indices before a test
I am in SS 1. Quiz me with 3 short Additional Maths questions on reviewing every law of in