742 prompts matching "Structured question: quadratic with roots that differ by a given amount"
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Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Equation of a line with a given y-intercept and passing through a point
I am in SS 1. I attempted an Additional Maths question on finding the equation of a straig
Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Rationalising the denominator when it's a surd minus a surd
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 using the conjugate
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on rati
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 simple surd equation
I am in SS 1. Teach me solving a surd equation, such as solving root(x + 4) = 3, and check
Comparing the size of two surds
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on comp
Rationalising and then simplifying fully
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a tw
Surd equation from a geometry context
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a su
Surds in a coordinate geometry distance calculation
I am in SS 1. Teach me a coordinate geometry question where applying the distance formula
Finding the number of terms in an arithmetic series
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Recognising arithmetic vs geometric sequences
I am in SS 1. Teach me how to tell from a list of numbers whether a sequence is arithmetic
Word problem: geometric sequence in a growth context
I am in SS 1. Quiz me with 3 short Additional Maths questions on a real-life word problem
Solving for x when three terms are in geometric progression
I am in SS 1. Teach me finding the value of x given that three algebraic expressions in x
Three consecutive terms word problem
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a wo
Dividing a line segment in a given ratio
I am in SS 1. Teach me finding the coordinates of a point that divides a line segment inte
Coordinate geometry proof: right-angled triangle
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on usin