21 / 2 / 12 STUDENTS' EXERCISES
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These are some of your exercises using a spreadsheet program:
Change the values for a, b and c in the quadratic equation ax2+bx+c=0.
You´ll see the real solutions for x, straightaway.
quadratic equation solver (mmp) (by Marcos M.P.)
quadratic equation solver (ngm) (by Nicolás G.M.)
QUADRATICS (by Aida F. B. and Imanol G. A.)
quadratic equation solver (ngm) (by Nicolás G.M.)
QUADRATICS (by Aida F. B. and Imanol G. A.)
CONGRATULATIONS!
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21 / 2 / 12 EQUATIONS AND LOGARITHMS
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logx logx logx logx logx logx logx logx logx logx logx logx logx logx logx logx logx logx logx logxlogx logx logx logx logx logx
Our next step will be to include logarithms and trigonometric functions in our very well known one-variable equations.
Can you solve this equation?
log(x+21)+logx=2
If you need help, you can vist these links:
lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx lnx
llnlllllllll
l11 / 2 / 12 QUESTIONS OF THE WEEK
1) If x=k is a solution of the equation ax2+bx+c=0, can we assure that x=k belongs to D(c)?
2) Is it always possible to find a solution for ax2+bx+c=0?
10 / 2 / 12 EQUATIONS. INTRODUCTION
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Let´s check if you remember what you know about equations.
As a warm up, you can start by checking these links:
As a warm up, you can start by checking these links:
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6 / 2 / 12 QUESTION OF THE WEEK
WHICH IS ONE OF THE THIRD DEGREE POLYNOMIALS, P(x), IF WE KNOW P(-1)=P(2)=P(0)=0?
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