#IGCSE math

[nosypunfiltered]

My totally serious guide to solving quadratic equations ✨

Sorry not sorry

I don't feel like writing rn, I feel like doing math🥰 so come

(Note = I used to take IGCSE Additional math and ext math soooo i hope this hepls if ur taking the same thing LOL)

(also pls don't unfollow i promise i wont be a full math blog 😔)

EXAMPLE =

x² + 4x + 4 = 0

ax² + bx + c

So as you can see there is a secret, hidden 1 in front of the x² so that will be our a value. For the b value you can get it in front of the x which is 4 and lastly the c is the number at the end with no variable so its 4.

TLDR; a = 1, b = 4, c = 4

So I usually make a big X thing and i put the product of a and c at the top and put the b value at the bottom. Like the pic above ig

So the product of a and c is 4 x 1 so it's 4 and then the b is just 4 so its 4.

THEN we gotta find 2 numbers that can be added to become 4 and mutliplied to become 4

SO it has to be like this (pretend the numbers are m and n)

m + n = 4

m × n = 4

So now we gotta do guess and check, I usually try to find the factors of the product, the one we have rn is 4 so

Factors of 4 are 1, 2 and 4

So let's try to find it! Let's try to check if 4 and 1 can.

1 + 4 = 5 ❌ <- doesn't add up to 4

2 + 2 = 4 ✅ <- adds up to 4

So now we just put it into the factors thing, Your answer should be (x+2)(x+2) or (x+2)²

BUT WAIT We're not done yet!

We gotta find x

So since it's (x+2) multiplied by (x+2) that means x + 2 = 0

and we just solve algebraically

x + 2 = 0

x = -2

So there's your answer

OR You could always use the

[ibglobaltutor]

[studyingselene]

ib resources: past paper questions

hi guys!! i want to share some websites with past paper questions i mostly to study biology, chemistry and math. hopefully some of these resources will be of use to you :)

markhint - assorted past papers & topical questions for paper 1/2/3 - has bio, chem, physics, math, econ - also has practice questions for A-levels and igcse

exammate - only topical questions for paper 1/2/3 - has bio, chem, physics, math, psych, econ, global politics, world religions & philosophy - also has practice questions for A-levels and igcse

google drive with all previous exams (1999-2021) - past papers for all ib subjects - provides markscheme - good for printing & getting used to exam length

༊࿐ ͎. ｡˚ ° ⊹ ˚.

¡¡hola chicos!! yo quiero compartir algunos sitios web con las preguntas de papel pasadas que yo uso, principalmente para estudiar la biología, química y matemáticas. con suerte algunos estos recursos será de utilidad para tú :)

markhint - documentos pasados variados & preguntas temáticas para documento 1/2/3 - tiene la biología, la química, la física, las matemáticas, la economía - también tiene preguntas de práctica por A-levels y igcse

exammate - solo preguntas temáticas por documentos 1/2/3 - tiene la biología, la química, la física, las matemáticas, la psicología, la economía, la política mundial, las religiones del mundo y la filosofía - también tiene preguntas de práctica por A-levels y igcse

google drive con todo los exámenes previo (1991-2021) - los documentos pasados por todo los sujetos de ib - tiene markscheme - bueno para la imprimiendo y acostumbrarse a la duración de los exámenes

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[a-shooting-jade]

i could kiss the person who set math paper 2

to the person who set paper 4, when I see you it's on peripheral.

[darkeyedghost]

I survived my ancient Greek language exam 🎉

[softcarebears]

me tmrw at school😭i can't believe its the 2nd term already wtf the igcses are looking a lil bit too close...i havent even started revising the things we did in 10th grade umm imma kms hold up😭💀

[caiehater]

04.05.23 — IGCSE EXAM DAY 3

WHOEVER WAS IN CHARGE OF THAT PAPER 42 FOR MATHS.. I WILL P3TR0L B0MB YOU

[sheisntyouspam]

happy igcse maths results day to all those celebrating

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