755 prompts matching "Teach me adding and subtracting vectors"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Explain Back: The sum of a geometric progression with a negative common ratio
I have just studied the sum of a geometric progression with a negative common ratio in my
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
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding
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 as roots
I am in SS 1. Teach me fractional indices, converting between root form and index form, su
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
Indices word problem: bacteria growth
I am in SS 1. Teach me a word problem where a quantity grows according to an index formula
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
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
Rewriting an expression with only positive indices
I am in SS 1. Teach me rewriting an expression such as 3x^-2 y^3 z^-1 so every index in it
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
Index equation with equal exponents, unknown base
I am in SS 1. Teach me solving an equation of the form x^3 = 125 for an unknown base x the
Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
Multiplying a surd by an integer
I am in SS 1. Teach me multiplying a surd by a whole number, such as 4 times root 5, and s
Squaring a surd expression
I am in SS 1. Teach me squaring a binomial surd expression, such as (2 + root 5)^2, showin
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
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
Surd word problem: diagonal of a rectangle
I am in SS 1. Teach me a word problem asking for the exact length of the diagonal of a rec