Continued with Section 7.2 Quadratic Inequalities and introduced Rational Inequalities.HW: Try Q.8-10 on rational inequalities. | |

4 Comments
S
2/11/2015 10:08:40 am
Sir for the questions with fractions do u always multiply by eg x+2squared for every question with fractions??
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Mr R
2/11/2015 11:29:44 am
No. It's (x+2)squared in this example because the denominator is (x+2). If the denominator was (x-3) then you would multiply by (x-3)squared etc...
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a
2/22/2015 07:33:35 am
sir i cant grasp the end of every question when you sketch it out on a graph instead of solving it the algebraic way. i understand the shapes , because its if the sum is positive/negative.....But fillin the dots on two points or leaving a blank circle on it ... or highlighting whether its inside or outside .. i do not get
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Mr R
2/22/2015 11:08:27 am
The empty or filled in dot depends if it includes the number in question. Have a look at this video may be it will help. https://www.youtube.com/watch?v=BXWzNp-4ilA
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