exam
Maths Puzzle
Numerical Ability
Tell whether or not (-1,-5) is a solution of the system of inequalities
x + 2y < -12
and
3x - y > or equal to -2
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exam Other Question
Factor each of the following polynomials completely.
-3xsquared-10s+8
Find the slope of any line perpendicular to the line through points (3,12) and (5,4).
I found the slope of the two points, and then I found the negative reciprocal, which is 1/4.
Is this correct?
Thanks for your help!