exam
Maths Puzzle
Numerical Ability
Is the following a perfect trinomial:
x^2 + 18x + 81
Thank you for the help, these always confuse me!
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exam Other Question
what is the value of the expression 3x^2y/xy^2 when x= 7 and y= 4
a. 7/3
b. 21/4
c. 2/12
d. 3/4
evaluate each expression for the replacement set (2,3,6)
y divided by 2
3y
3 plus y
3 minus y