____1.Which of the following are the factors of the polynomial 49x2 – 100y2 ?

A. (7x -10y)(7x+10y)
C. (7x +10y)(7x+10y)
B. (7x -10y)(7x-10y)
D. (49x -100y)(49x+100y)

____2. What are the missing terms you need to supply to make the statement (x+__)(4x+___) = 4x2+21x+20 true?

A. 4,5
B. 5,6
C. 6,7
D. 20,1
____3.The area of a square is (16x2+40x+25) square units.Which of the following expressions represents the length of the side?

A. (8x+5)units
B. (16x+25)units
C. (4x+5)units
D. (4x-5)units

4. Which of the following will be the width of a rectangle whose area is equal to (75a2b 3c 2+100ab2c 2 -50a2bc2 ) square units and its length is the greatest common factor of the terms of the area?

A. L= 25abc2 ; W= 3ab2 -4b-2a
C. L= 25abc2 ; W= -3ab2 -4b-2a
B. L= 25abc2 ; W= 3ab2+4b-2a
D. L= 25abc2 ; W= 3ab2+4b+2a

5. The side of a square is y cm long. The length of a rectangle is 10 m longer than the side of the square and the width is 10 m shorter. Which statement is TRUE?

A. The area of the square is greater than the area of the rectangle.
B. The area of the square is less than the area of the rectangle.
C. The area of the square is equal to the area of the rectangle.
D. Any relationship cannot be determined from the given information.​