mscroggs
.co.uk
mscroggs
.co.uk
blog
puzzles
academic
talks
contact
subscribe
↓ ☰ ↓
subscribe
Loading image...
Advent calendar 2021
23 December
All 2021 advent puzzles
~
More information
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?
Show answer
Hide answer
The line will meet the \(y\)-axis at y=
102
.
Tags:
graphs
,
parabolas
,
lines
,
axes
Archive
Show me a random puzzle
Most recent collections
Advent calendar 2025
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
List of all puzzles
Tags
cubics
scales
dominos
ave
money
complex numbers
crossnumbers
axes
floors
circles
squares
arrows
lines
rectangles
surds
pascal's triangle
gerrymandering
percentages
digital clocks
cards
irreducible numbers
digital products
multiplaction squares
mean
albgebra
colouring
shape
time
trigonometry
consecutive integers
ellipses
angles
addition
factorials
neighbours
tangents
matrices
sets
square roots
multiples
spheres
prime factors
planes
crosswords
averages
doubling
clocks
median
rugby
proportion
square grids
xor
routes
partitions
determinants
range
people maths
numbers
binary
medians
multiplication
polygons
powers
speed
cube numbers
cryptic clues
sum to infinity
combinatorics
decahedra
calculus
cryptic crossnumbers
division
triangle numbers
elections
volume
symmetry
games
taxicab geometry
unit fractions
even numbers
wordplay
integration
chalkdust crossnumber
factors
tournaments
consecutive numbers
graphs
coins
triangles
probabilty
coordinates
christmas
functions
dodecagons
2d shapes
geometry
grids
geometric mean
3d shapes
parabolas
expansions
sequences
digits
number
balancing
remainders
area
indices
the only crossnumber
pentagons
fractions
integers
shapes
books
geometric means
star numbers
prime numbers
sums
chocolate
regular shapes
square numbers
dates
folding tube maps
means
polynomials
bases
perfect numbers
perimeter
logic
menace
quadratics
quadrilaterals
palindromes
odd numbers
differentiation
algebra
tiling
sport
probability
advent
hexagons
chess
dice
lists
products
Archive
Show me a random puzzle
▼ show ▼
▲ hide ▲
Most recent collections
Advent calendar 2025
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
List of all puzzles
Tags
quadratics
colouring
percentages
time
medians
speed
perfect numbers
square numbers
elections
crosswords
geometric mean
grids
doubling
sequences
shape
graphs
powers
crossnumbers
scales
averages
angles
remainders
binary
functions
prime factors
2d shapes
palindromes
tiling
3d shapes
circles
digits
routes
pentagons
square roots
balancing
shapes
volume
cryptic clues
cubics
wordplay
folding tube maps
chocolate
odd numbers
chess
irreducible numbers
axes
cryptic crossnumbers
tournaments
albgebra
squares
median
digital products
factorials
division
rectangles
multiplaction squares
star numbers
christmas
clocks
the only crossnumber
determinants
digital clocks
number
surds
ellipses
lists
numbers
arrows
parabolas
chalkdust crossnumber
products
perimeter
cube numbers
planes
advent
rugby
lines
money
sport
pascal's triangle
ave
consecutive integers
even numbers
hexagons
sum to infinity
complex numbers
probability
floors
polynomials
probabilty
books
means
polygons
sets
dodecagons
algebra
addition
tangents
quadrilaterals
regular shapes
people maths
taxicab geometry
fractions
triangle numbers
prime numbers
games
symmetry
gerrymandering
range
factors
integration
proportion
consecutive numbers
menace
calculus
triangles
multiplication
dice
indices
mean
cards
differentiation
coordinates
unit fractions
area
sums
neighbours
spheres
combinatorics
geometric means
trigonometry
matrices
xor
coins
dominos
decahedra
multiples
bases
geometry
expansions
square grids
partitions
logic
dates
integers
© Matthew Scroggs 2012–2026