exam
Maths Puzzle
Numerical Ability
Perform Gauss-Jordan elimination on this augmented matrix.
3 -4 2
0 -1 7
3/2 -2 1
Guass-Jordan made more sense in equation form.
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exam Other Question
I need help solving:
x(x+2)(x+4)=315
i know the answer, i just have to figure out how to get there other than trial and error.
find the y-intercept of the cubic f(x)=(x-2)(x+1)(x-3)
my ans was (0,-6)
was I right