exam
Maths Puzzle
Numerical Ability
Which of the following is a perfect square trinomial?
4x2 + 8x + 16
x2 +9x + 9
x2 -6x +36
4x2 - 12x + 9
Can someone please help me? Thanks
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exam Other Question
4a / 3 + 1/2 = 2/3
My daughter has this example : 2/3 x -5 =7
she has several problems like this to solve but missing one of the above pieces of information.