The Maths Cave!

Welcome to the Maths Cave!
we've got a math question for every workday :)
Feel free to message for tutoring or to give suggestions!
(founder of MQOTD)

[The Maths Cave! @TheMathsCave]

heya math-heads! welcome to The Maths Cave :)
we're posting a math question every workday at 4pm for you to answer! and don't worry, I'll keep score on how many you get right for the leaderboards :)

[The Maths Cave! @TheMathsCave]

MQOTD #20
We've gone through 4 weeks of maths questions! I hope you're doing extra revision so you don't lose your existing knowledge!

A circle with center C has equation x²+y²+8x-12y=12, Find the coordinates of C

Make sure you reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #19
I think we might have to delve into logs in a few days,
that'll be fun!

(2k-3)x²-kx+(k-1)=0 has equal roots, Find the value of k

Don't forget to reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #18
Socrates once said, "I am the wisest man alive, for I know one thing, and that is that I know nothing."
Don't be like socrates, revise maths!

f(x) = 2x³+7x²+2x-3,
show that (x+3) is a factor

Remember to send your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #17
It's the dancing queen, seventeen!
How are you enjoying the mqotd so far? I hope you like the maths cave!

A curve has equation, y=1/√x
Find dy/dx

Make sure to leave your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #16
We're getting closer to christmas!
we all know the best gift would be a Graphic calculator!

Find the gradient of the line with equation, 2x+5y=7

Remember to reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #15
Today I saw a really cute dog!
he had log2(8) legs and it was adorable!

Differentiate 2x²+7x+3.6

Remember to reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #14
Time for a mini inequality!
what did you get in your advent calender today?

x²-2x-5<3
Solve for x

Make sure to leave your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #13
An unlucky one!
How are you guys doing today?

2x²+10x+12=0
Find x

MAke sure you reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #12
A dozen questions already!
Did you know pythagoras died around the age of 75?

Simplify: 2(3²)÷6

Remember to leave your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #11
Did you know the canadian flag has a maple leaf with exactly 11 points on it?

Simplify: (11²)³

Make sure to leave your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #10
Big Ben, Number 10!
Do you guys know the butterfly method of rationalising denominators?

Solve, (7/21) x (3/7)

Make sure to leave your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #9
On this day, Sir Thomas Herriot introduced potatoes to England!
not maths but who doesn't appreciate potatoes!

Solve, (11−5)x(63−59+6)÷12

Remember to leave your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #8
We've got some arithmetic for you today! Do you remember bidmas?
Hint: you can't ask the magic 8 ball this one :)

Solve, 16+14÷2+3x5−11

Make sure you reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #7
Lucky for some, number seven!
we're finally in the final month of the year! are you excited for christmas?

(x – 2) / 4 – (3x + 5) / 7 = – 3
x = ?

Don't forget to reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #6
Wow! a whole week has gone by already :)
How do you think you're doing so far?

A number is increased by 2 and then multiplied by 3. The result is 24
What is this number?

Make sure you reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

MQOTD #5
We're in the library for the day!
fancy buying a math revision book?

The price of a book went up from $20 to $25
By how many percent did the price increase?

Don't forget to reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

just remember that this was my idea first! and we're actually doing it properly here :)

[ALevelMathsRevision @ALMathsRevision]

QOTD 7. #alevelmathsrevision #revisemaths #QOTD

[The Maths Cave! @TheMathsCave]

s a m u e l

[Sam Tennant @SamuTennant]

@TheMathsCave Samuel

[The Maths Cave! @TheMathsCave]

@TheRealMQOTD T= no, I don't think I will

[The Maths Cave! @TheMathsCave]

MQOTD #3
Cup of tea, number three!
are you enjoying the algebra?
feel free to message me any topics you would like me to cover!

12t – 10 = 14t + 2
Find t

Don't forget to reply with your answers!
#MQOTD #themathscave

[The Maths Cave! @TheMathsCave]

@OfficialMQOTD my questions are less boring than your stale personality! hope you're having fun doing my MQOTD :)

[The Maths Cave! @TheMathsCave]

MQOTD #2
Another day, another question!
you know what they say, mathematics is the window to the soul
..is that the phrase?
anyways:

5x + 2(x + 7) = 14x – 7
Find x

Make sure you reply with your answers math-heads!
#MQOTD #themathscave