Algebraic expressions
Algebraic expressions
Write an expression (in its simplest form) 
for the perimeter of the square.
Write an expression for the perimeter of the rectangle.
2x+2
4x-1
4x-1
2x+2
Which expression is equivalent to -(x + 7)?
-x + 7
x - 7
-x - 7
x + 7
Which expression is not equivalent to -(x - 4)?
-x - 4
-x + 4
4 - x
-x - (-4)
Which expression is equivalent to 3x - (2x + 1)?
5x - 1
x - 1
x + 1
-6x2 + 3x
Which expression is not equivalent to 3y - 5(y + 1)?
2y - 5
-2y - 5
-5 - 2y
3y - 5y - 5
What is the opposite(*) of the expression 3x - 5?
(*)
example: the opposite of x is -x
What is the opposite of the expression -7x + 2?
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