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Maths Puzzle
Numerical Ability
I need to solve this one and I need help: I have to apply the quadratic formula to find the roots of the given function, and then graph the function.
g(x) = x^2 + x + 12
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book Other Question
You and a friend decided to make a 220 mile trip, traveling at 70 mph. You make the return trip at a rate of 58 mph. What was your average speed for the entire trip?
z^4 -11z^2 +30=0