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Question:1.) (2x+1) (x-7)
2.) 4x-1 =4
3.) x = 2
Answers:1) is because a expression doesn't have a = while a equation does :)
Answers:y(x) = a x^3 + b x^2 + c x + d
Answers:its really quite simple, if it has an "=" in it, its an equation....everything else are expressions.
think about it, the key word in equation?.....equa___ it almost spells "equals" for you.
here are some examples:
2x + 5 = 3
y = mx + b
distance = rate * time
x/5 + 2x
hope that helped a bit.
Question:How do you write an algebraic expression for the nth term in the sequence if the sequence is not a linear increasing/decreasing pattern?
For example: 1, 2, 4, 7, 11 <--- pattern = +1, +2, +3
So how do you write an algebraic expression on that?
PLEASE HELP! I'm really stuck on it! ><
Answers:2nd term is +1
3rd term is +2
4th term is +3
nth term is +(n-1)
An = An-1 + (n-1)
Non Paramteric Test an example :for the classes of Atul Roy
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