693 prompts matching "Why a conditional and its contrapositive are equivalent"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
IGCSE Additional Maths Y10: A word problem leading to a linear and a quadratic equation — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on a
IGCSE Additional Maths Y10: Converting between exponential form and logarithmic form — Worked Example
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
IGCSE Additional Maths Y10: Expressing a logarithm in terms of log x and log y — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on exp
IGCSE Additional Maths Y10: An equation containing both e to the power x and a constant — Practice Set
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a practice set
IGCSE Additional Maths Y10: Finding a and n from the gradient and the intercept — Explain It Back
I am in SS 1. I have just studied finding a and n from the gradient and the intercept for
IGCSE Additional Maths Y10: The length of a line segment from its end points — Worked Example
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
IGCSE Additional Maths Y10: A cubic with a repeated root, and how the curve touches the axis — Practice Set
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a practice set
Zero index rule
I am in SS 1. I'm going to explain the zero index rule, showing why any nonzero number rai
What makes a number a surd
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Surds in trigonometric exact values
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on why
Power set of a three-element set
I am in SS 1. I'm going to explain listing the full power set of a three-element set, incl
Gradient from a linear equation
I am in SS 1. I'm going to explain finding the gradient and y-intercept of a line directly
Solving index equations with matching bases
I am in SS 1. I'm going to explain solving an index equation by rewriting both sides with
Simplifying a fraction of two bracketed index terms
I am in SS 1. I'm going to explain simplifying a fraction of index expressions down to a s
Index notation for a nested root
I am in SS 1. Quiz me with 3 short Additional Maths questions on rewriting a nested root,
Solving 4^x = 8^(x-1) by matching bases
I am in SS 1. I'm going to explain solving the equation 4^x = 8^(x-1) by writing both side
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
Evaluating (1/2)^-3 without a calculator
I am in SS 1. I attempted an Additional Maths question on evaluating (1/2)^-3 fully withou
Simplifying indices before adding like terms
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed