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Maths Puzzle
Numerical Ability
For the function f(x)= -x^2-6x-8
(a) Find the line of symmetry
(b) State whether there is a minimum or a maximum and find that value
(c) Find the range
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book Other Question
please help me solve this equation 5x^2 + 33x -14 = 0 i know the answer is 0.4 but dont know how to show this or to work it out the proper way
what is the general equation of a parabola?
how do we graph these?
y=2(x+6)(squared)
-x(squared)+1