Functions
If f(x) = 9x2 + 10x - 2 , find f(2)
f(2) = 54
Solve the following equation:
Math = 100 , Phy. is half of Math , Bio. = Math + Phy.
Find the value of 2xPhy. and 3xBio.
2xPhy. = 100
3xBio. = 450
Find the cubic root of 8
2
cos60o = ?
0.5
Reduce x^2+3x^2
4x^2
Find the domain of definition of f(x) = x/(2x - 1)
Domain of definition = ]-oo , 0.5[ U ]0.5 , + oo[
Calculate 53 + (23)3.
Note: If your answer is correct 200 will be reduced from all the other teams.
125+512=637
Using a calculator, find 22 + (5x + 10), where x = 4
34
cos60o + cos90o = ?
0.5
What is the solution of pi/11 (not math)
~
5 + 5 + 5 = 550 (draw one line to make it true)
Put the line on the addition symbol
545 + 5 = 550
Calculate 22/5 + 100/750 - 2(x2 + 10)/13 , where x = 4
46/15
Calculate the absolute value of (3.14 - 4)
0.86
sin60o + tan60o = ? (Rounded to the nearest ones)
3
50% of 60 is
30
What is the range of the function f(x) = x2 - 3
Range = [-3 , + oo[
Find the cubic root of the square root of 64.
2
Solve the following equation:
Math = 9
Bio. = 8
Physics = 12
Math x Bio. + 5 Physics - 2 Math + 12 = ?
126
ABC is a right triangle at A such that AC = 4 and BC = 5. Find sin(angleABC).
sin(angleABC) = opp./hyp. = AC/BC = 4/5
3 persons what to share 1 apple, so that each has to take half an apple. (not math)
You ask the apple: Are you an apple, it will reply: of course I am an apple and a half.
Solve for x the following inequality:
5x - 4 < 0
x < 4/5
Calculate the following expression:
Bilal = 100 IQ , Hussein = 50 IQ , Jana = 25 IQ , Jala = 2 IQ.
Find Itani which is Bilal + Hussein + Jana = Jalal x 100/2 + Itani
175=100 + Itani
Itani = 75 IQ
Solve x5 - 1 = 31
x = 2
If AC = 10cm and BA = 12cm. Find BC knowing that ABC is a right triangle. (Round to the nearest ones)
BC = Radical(244) = 16
Factorize x2 + 6x + 9
(x + 3)2