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Advent calendar 2021
23 December
All 2021 advent puzzles
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I draw the parabola \(y=x^2\) and mark points on the parabola at \(x=17\) and \(x=-6\). I then draw a straight line connecting these two points.
At which value of \(y\) does this line intercept the \(y\)-axis?
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The line will meet the \(y\)-axis at y=
102
.
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cryptic clues
polygons
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dice
balancing
division
pentagons
matrices
3d shapes
addition
range
tiling
indices
axes
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digital clocks
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people maths
proportion
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2d shapes
parabolas
number
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surds
unit fractions
logic
geometric mean
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folding tube maps
sequences
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probability
rectangles
lines
algebra
triangle numbers
regular shapes
coins
colouring
wordplay
factors
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multiples
doubling
square numbers
ave
elections
prime numbers
pascal's triangle
integers
perimeter
money
tangents
complex numbers
crosswords
sets
rugby
spheres
partitions
hexagons
differentiation
games
functions
christmas
squares
clocks
speed
odd numbers
binary
fractions
graphs
chocolate
cryptic crossnumbers
gerrymandering
albgebra
sum to infinity
digital products
cubics
scales
expansions
consecutive numbers
crossnumber
advent
irreducible numbers
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time
numbers
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