exam
Maths Puzzle
Numerical Ability
Use Gauss-Jordan elimination method to solve
2x-5y+5z=17
x-2y+3z=9
-x+3y=-4
I NEED HELP KNOWING HOW TO USE THIS METHOD
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exam Other Question
Subtract, using the vertical method.
7x^2 + 6x from 9x^2 -3
Hi, I need help with this problem:
f(x)= -3(x+2)^2+3
I have to tell where the fucntion is increasing and decreasing, what is the concavity, give the coordinates of the vertex and