The Cutting Edge frame shop makes a mat by cutting out the
inside of a rectangular board. Write an expression to represent the area of the original board.
Write an expression to represent the area of the rectangle cut out to make the mat.
What is 2x^2+x-28
300
2x (y^2 + 2x -2)
What is 2xy^2 + 4x^2 - 4x
300
(3x + 4)^2
What is 9x^2 + 24x + 16
300
(x + 3) (6 - 3x + 2x^2)
What is 2x^3 + 3x^2 - 3x + 18
300
(6x^3 + 2x^2 + 6x + 3) - (3x^2 -6x -6)
What is 6x^3 - x^2 + 12x + 9
300
Write an expression to represent the area of the mat.
What is 12x + 4
400
-4x (-2y^2 - x + 1)
What is 8xy^2 + 4x^2 -4x
400
(5x^2 - 6)^2
What is 25x^2 - 60x + 36
400
3x(2x + x^2) + 5x(3x - 4x^2)
What is -17x^3 + 21x^2
6x^2 + 3x^3 +15x^2 - 20x^3
400
(m^5)^(-3) * (m^4n^5)^4
What is mn^20
Simplifiy: m^(-15) * m^16 * n^20
400
Find the length and width of the original board if the area of the mat
is 184 sq. in.
What is 27 in. x 23 in.
Problem: 12x + 4 = 23; x = 15
Substitute - Length: 2(15)-3 = 27; Width: 15 + 3 = 23
500
A rectangular computer screen has a length that is 8 in. less than 2 times it width. What is the area of the computer screen? (Hint: Let the width = w)
What is 4w - 16
Problem: Width = 2; length = 2w -8
500
Use the special products properties:
a. (8x - 2)(8x + 2)
b. (3x - 2)^2
c. (4x + 8)^2
What is
a. 64x^2 - 4
b. 9x^2 -12x + 4
c. 16x^2 + 64x + 64
The length of an aquarium is 1 ft more than 3 times its height h. The
width of the aquarium is 3 ft less than 2 times its height. What is the
volume of the aquarium? (V=lwh)
What is 6h^3 - 7h^2 - 3h
Problem work: h(3h+1)(2h-3)