exam Maths Puzzle Numerical Ability

d...ch10
#37
solve

5(x-2)^2=3

#39
Explain if the following trinomial is a perfect square or if its not a perfect square: x^2-6x+9

#40
solve
x^2+7x+2=0

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exam Other Question

Graph the follwing functions:

A) y= -|x-10|+2
A rectangle has an area of 17 square meters. Find a function that models its perimeter P in terms of the length x of one of its sides.