755 prompts matching "IGCSE Additional Maths Y11: Checking an answer for reasonableness — Show All Wor"
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Division law of indices
I am in SS 1. Teach me the division law of indices, simplifying an expression like y^9 div
Zero index rule
I am in SS 1. I'm going to explain the zero index rule, showing why any nonzero number rai
Fractional indices with numerator above 1
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
Index equations reducing to a quadratic
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
Laws of indices with three different bases in one line
I am in SS 1. I attempted an Additional Maths question on simplifying an expression that c
Evaluating a negative fractional index
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
Evaluating a fractional-negative index expression
I am in SS 1. Teach me evaluating 25^(-3/2) fully as a fraction without a calculator the w
Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
Multi-part index exam question with a real context
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
What makes a number a surd
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Multiplying two surds together
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Squaring a surd expression
I am in SS 1. Teach me squaring a binomial surd expression, such as (2 + root 5)^2, showin
Rationalising a more complex conjugate denominator
I am in SS 1. I attempted an Additional Maths question on rationalising a fraction with a
Solving a surd equation with terms on both sides
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
Simplifying a fraction with a surd numerator
I am in SS 1. Teach me simplifying a fraction where the numerator contains a surd, such as
Dividing surds using the quotient rule
I am in SS 1. I'm going to explain simplifying a quotient of surds using the rule root a d