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secondary 3 | E Maths
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please help no idea how to get the lowest value for variable a
Date Posted: 6 years ago
Views: 269
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done
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a) Since a^2 will give a 0 or positive value, you choose 0 since it is smallest. choose largest number for b with negative sign, as squaring it will give biggest number (the negative sign disappears)
b) Since b is negative, you need a negative number for value of a, to make the result positive. Negative signs will cancel each other, so just choose largest number for a with negative sign and smallest number for b with negative sign
b) Since b is negative, you need a negative number for value of a, to make the result positive. Negative signs will cancel each other, so just choose largest number for a with negative sign and smallest number for b with negative sign
Date Posted:
6 years ago
thanks :)
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