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“”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
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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Just like the Bible says many are called but few are chosen, do you want to be among the few, if yes then you need to be smart enough in order to pass WAEC2021 especially Maths and English1 and any other 3 subjects which are considered compulsory subjects.
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Mathematics Symbols To Be Use In 2015 WAEC May/June Exam
/ 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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