Inequalities – IB mathematics SL

Algebra, Functions and equations, Circular functions and trigonometry, Vectors, Statistics and probability, Calculus. IB Maths SL Revision Notes

Inequalities – IB mathematics SL

Postby Nyla » Tue Jan 21, 2014 7:15 pm

Inequalities – IB math SL

How can we find the set of values of x for which

?

Thanks!
Nyla
 
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Re: Inequalities – IB math SL

Postby miranda » Tue Jan 21, 2014 7:16 pm

Solving Inequalities – IB math SL

The rules for solving equations also apply to inequalities with the main difference that when we multiply or divide both sides of an inequality by a negative number we must reverse its sign.







Now, we have a quadratic inequality which has solutions




Hope these help! :) :)
miranda
 
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Re: Inequalities – IB mathematics SL

Postby Nyla » Tue Jan 21, 2014 7:17 pm

Thank you!
Nyla
 
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