Mathematics

Equations

100

Find the value of x :

2x +10 =-10

x=-10

200

Solve the equation in R :

x² -3x+2 =0

x=1 or x=2

300

Solve the equation in R :

(x² +4)(-x² -x²)=0

vide

400

Solve the equation in R

4x⁴ - 8 = 0

x = sqr(sqr(2)) or x = -sqr(sqr(2))

True or False

100

Pi can be correctly written as a fraction.

false 

200

the reciprocal of 0.125 is 8

true

300

Months that begin on a Thursday will always have a Thursday the 29th.

false

400

If you start out with 1 DH and doubled it everyday in 20 days you would be a millionaire.

false

the 21 day would be a millionaire

Who i am

100

my name is related to : the area of the square whose side is the hypotenuse  is equal to the sum of the areas of the squares on the other two sides. 

Pythagoras

200

Algorithm  is derived from my name

al-Khwārizmī

300

Greek mathematician who produced the first known summation of an infinite series with a method that is still used in the area of calculus today.

Archimedes

help :  he say eureka

400

(she) English mathematician often been cited as the first computer programmer.

Ada Lovelace 

born 10 December 1815