Page 9 - MODULE 1 Q1MATH8

What I Know
Multiple Choice:
Directions: Read and answer the questions below. Encircle the letter of the correct answer from the given choices. (2 points each)
Whichofthefollowingistheprocessoffindingthefactorsofthe mathematical expression 2d2 – 8d?
A. Common Monomial Factor
B. Difference of Two Cubes
Pre -
I.
1.
2.
A. B.
3.
A.
B. C. D.
4.
A.
B.
5.
A.
B.
II.
1. 2. 3. 4. 5.
(2x)(x  4) are the factors of (2x2  8x) .
2a(a  9) are the factors of 2a2  9. (4a3)(4a3)arethefactorsof (16a2 9). (27a3 1) is an example of sum of two cubes.
The greatest common factor of (12d  9) is 9. ix
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Test
C. Difference of Two Squares D. Perfect Square Trinomials
Which of the following are the factors of the mathematical expression
12a3b5 – 20a5b2c?
4(3a3b5 – 5a5b2c) C. a3b2(12b3 – 5a2c)
2a3b2(6b3 – 10a2c) D. 4a3b2(3b3 – 5a2c)
Which of the following will result in a difference of two squares?
Squaring a binomial
Squaring a trinomial
Getting the cube of a binomial
Multiplying sum and difference of a binomial
If (2p – 5)(A) = 4p2 – 25, then which of the following is the value of A?
2p + 5 C. 4p + 25
2p – 5 D. 4p – 25
Which of the following is a factor of x3 – b3?
x + b C. x – b
x3 –bx+b3 D.x3 +bx–b3
True or False
Directions: Write “True” if the statement is true and write “False” if it is
false. (1 point each)