755 prompts matching "Showing a triangle is right-angled using the dot product"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Finding the nth term of an arithmetic sequence
I am in SS 1. I'm going to explain finding the nth term formula of an arithmetic sequence,
Sum of an arithmetic series given the first and last term
I am in SS 1. Teach me using the formula Sn = n/2 (a + l) to find the sum of an arithmetic
Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Applying the sum to infinity formula when the ratio lies between minus one and one
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on usin
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
Deriving the arithmetic series sum formula
I am in SS 1. Quiz me with 4 short Additional Maths questions on how the formula Sn = n/2
Deriving the geometric series sum formula
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on how
Word problem: total distance from a bouncing ball
I am in SS 1. Quiz me with 3 short Additional Maths questions on a classic word problem wh
Sum of the first n odd numbers
I am in SS 1. Quiz me with 4 short Additional Maths questions on proving and using the fac
Distance between two coordinate points
I am in SS 1. I attempted an Additional Maths question on finding the distance between two
Distance formula with negative coordinates
I am in SS 1. Teach me finding the distance between two points where some coordinates are
Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Simultaneous equations of a line and the coordinate axes
I am in SS 1. Teach me finding the area enclosed between a straight line and the coordinat
Explaining gradient, midpoint and distance formulas in my own words
I am in SS 1. Quiz me with 4 short Additional Maths questions on the three core coordinate
Common mistakes in coordinate geometry formulas
Teach me the most common mistakes SS1 students make with coordinate geometry formulas, suc
Coordinate geometry involving a right-angle condition to find x
I am in SS 1. Teach me finding an unknown coordinate x so that two given line segments mee
Locus problem: points equidistant from two fixed points
I am in SS 1. Quiz me with 3 short Additional Maths questions on a locus-style coordinate
Factorising by grouping four terms
I am in SS 1. Teach me factorising an expression with four terms by grouping them in pairs
Simplifying an algebraic fraction by factorising first
I am in SS 1. Teach me simplifying an algebraic fraction by factorising both the numerator
Changing the subject when the variable appears twice
I am in SS 1. Teach me changing the subject of a formula where the required letter appears