## Welcome to Waec 2021 Mathematics Answer

Welcome to** Waec 2021 Mathematics Answer** as I Congratulations for your search *Waec 2021 Mathematics expo* here as NAIJACLASS is the Number one Trusted Exam Specialists, An expert in all Exams Sector; we assist candidates to pass various examinations with ease.

**“”WAEC 2021 MATHEMATICS ANSWERS””**

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MATHEMATICS OBJ:

1-10: CACADABBCD

11-20: ACBADACABC

21-30: CDCAAADACD

31-40: CADACBAABC

41-50: ABADDADBBB

MATHEMATICS OBJ:

1-10: CACADABBCD

11-20: ACBADACABC

21-30: CDCAAADACD

31-40: CADACBAABC

41-50: ABADDADBBB

SECTION B(60 marks to answer 5 questions)

Number 10 a and b

Number 8

Number 11

Number 7

**Number 6**

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SECTION A(40 marks to answer 5 questions)

Number 1a And 1b

**NUMBER 3 AND 4**

Number 5

Number 2

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**Mathematics Symbols To Be Use In 2015 WAEC May/June Exam**

**WARNING:-**If You Know You won’t Subscribe For Our Maths Answers, Don’t Even Study This.. Because Studying It is just like You’re Wasting Your time… If Yes, Here Is The Mathematics Symbols To Be Use In

**2021 WAEC NAIJACLASS/9JACLASS ASSISTANCE PROGRAM**

/ means DIVISION

* means Multiplication

tita You Should Know that.

rais means Raise to power or

^ means Raise to power

sqr rut/square rut means Square root

—–(1) means Equation 1

yr means Year

f(x-xbar) means x MINUS x BAR as in statistics which means that MINUS will be on Top of x. ,

(Comma) means NEXT LINE, This means that The Following Number is Under The Number its Following ie. UNDER. It is usually used during STATISTICS when drawing a table.

**EXAMPLE for Waec 2021 Mathematics Expo**

1 X: 1,2,3,4,5,6

FX: 4,6,8,10,12

FX-Xbar: 10,8,6,4,2,1

**DRAW A TABLE WITH**

X|FX|(FX-Xbar)

The above statement means that:

~ For X, it has 1 2 3 4 5 6 under it.

which means 1 is under 2,

2 is under 1, 3 is under 2, 4 is under 3 and so on…

~ Under FX you have 4, then 6 under 4, then 8 under 6, then 10 under 8, then 12 under 10.

~ Under FX-Xbar you have 10, then 8 under 10, then 6 under 8, then 4 under 6, then 2 under 4, then 1 under 2.

**EXAMPLE 2:**

Class interval:

60-64,65-69,70-74,75-79,80-84,85-89,90-94,95-99.

X: 62,67,72,77,82,87,92,97.

F: 2,3,6,11,8,7,2,1.

FX: 124,201,432,847,656,609,184,97.

F(x-x bar)2:

561.12,414.18,273.36,33.66,84.48,476.42,351.12,333.06

**MEANING OF THE ABOVE EXPRESSION:**

Bar means Minus on top of d number or Variable and comma means next line which means each of them are unda.

Eg 60-64 is unda Class interval, then 65-69 is unda 60-64,etc .So comma means unda.

**NOTE:** When you see something like the above example two, you will have to draw a table. we will update more later! Please if you have any quetions, kindly use the comment box

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