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 = - 3 and y = - 3
x = 1 and y = 2
x = 2 and y = 3
What is the median number of 3, 3, 2, 0 ?
A mountain is 400m high. If you unfold your arm which measures 1 meter, you succeed in hiding it with your hand which measures 0,06m. 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(-1;-2) and B(-3;-4). How much is the lengthAB?