Equivalent Expressions
Write an expression for the perimeter of the pentagon.
Write an expression for the perimeter of the square.
Write an expression for the perimeter of the rectangle.
2x+2
4x-1
4x-1
2x+2
Write an expression for the perimeter of the triangle.
5x2-7x+3
Hint: Press Shift-6 to write exponents.
2x2+3x-5
x2-3
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
I. -53 = -(53)
Which of the following are true?
I and II
II and III
I only
II. (-5)3 = -53
III only
I, II, and III
II only
III. -54 = (-5)4
I. -22 = (-2)2
Which of the following are true?
I and II
II and III
I only
II. -23 = -(23)
III only
I, II, and III
II only
III. -24 = -(2)4
I. -76 = (-7)6
Which of the following are true?
I and II
II and III
I only
II. -75 = (-7)5
III only
I, II, and III
II only
III. -74 = (-7)4
What is the opposite of the expression 3x - 5?
What is the opposite of the expression -7x + 2?
What is the opposite of the expression -8x - 4?
What is the opposite of the expression 2x +11 ?
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