exam
Maths Puzzle
Numerical Ability
The width of a rectangle is 9cm. shorter than its diagonal and 7cm. shorter than its length.How long is the diagonal?
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exam Other Question
Could someone please help me find the equation of the parabola with the focus (-3,5) and the directrix y=8.
6 - 5[8-(2y-4)]
can you help me? I am not sure if the brackets are multiplied or not.
I came up with -54-10y and 8-(2y-4)