exam
Maths Puzzle
Numerical Ability
Use a special product formula to factor the perfect square trinomial.
25x^2-40x+16
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exam Other Question
Science and medicine:
A ball is thrown upward from the roof of a building 100m tall width the initial velocity of 20 m/s. When will the ball reach the height of 80 m?
I would really appreciate some help on this, Thank you very much.
rewrite the equation as a function of x
-3x+4y=11