exam
Maths Puzzle
Numerical Ability
Find the axis of symmetry.
Y=x^2 + 5x -9
I am not understanding how to find the axis of symmetry and would like some help with this to understand this better. Thanks.
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exam Other Question
This question is very difficult.
An alloy of silver and gold is to be recast with an addition of silver. The alloy consists of 80 oz, 10 oz of which are gold. If the new alloy
solve each equation for x
2(x-5)^2=3