Final test of the 8th Grade
How much is
What do you find when you factorize
What are the solutions of the ininequality
x > -4
x < -4
x < 4
How is called a function written
An exponential function
An affine function
A linear function
What do you find if you write with only one square root the number
What are the solutions of the system
x = -1 and y = -4
x = 8 and y = 0
x = 5 and y = 2
What is the median number of 6, 2, 1, 4, 12 ?
A mountain is 1000m high. If you unfold your arm which measures 1 meter, you succeed in hiding it with your hand which measures 0,05m. How far is the mountain?
The moon has a diameter of 3000 kms. It is à 384000 kms away from us. In which angle can we see it when it's full (we admit that we can draw a rectangular triangle until the moon)?
In a mark, we have A(2;3) and B(5;9). How much is the length AB?