exam Maths Puzzle Numerical Ability

Please help me learn how to use Desartes'Rule of Signs to determine the number of positive, negative, and imaginary roots. An example problem we were given in class is {{{f(x)=x^3+

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exam Other Question

for each compound inequality, give the solution in both interval and graph form.

3x < x + 12 or x + 1 > 10 Solve by graphing. Indicate weather the system is independent, dependant, or inconsistent
4. 2x - 3y = 12
3y - 2x = -12