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FACTORING POLYNOMIALS

Quiz by Rose Magcalas Lingad

Philippines Curriculum: Grades 1-10

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Measures 1 skill from
Grade 8
Mathematics
Philippines Curriculum: Grades 1-10

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Q 1/5
Score 0
Which of the following mathematical statement is correct?
29
(2x + y + 3z)2 = 4x2 + y2 + 9z2
(3x – 7)2 = 9x2 – 21x + 49
(x + 5)(x2 – 5x + 25) = x3 + 125
(4x – 5)(4x + 5) = 16x2 – 40x + 25

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5 questions

Show answers

Q1
Which of the following mathematical statement is correct?
(2x + y + 3z)2 = 4x2 + y2 + 9z2
(3x – 7)2 = 9x2 – 21x + 49
(x + 5)(x2 – 5x + 25) = x3 + 125
(4x – 5)(4x + 5) = 16x2 – 40x + 25
30s
M8AL-Ia-b-1
Q2
What is the common monomial factor of the expression 4x2 + 12xy + 8x?
4x
2xy
4xy
2x
30s
Q3
Which of the following gives the product of 121c2 – 64d2?
(11c + 8d)(11c + 8d)
(11c – 8d)(11c -8d)
(11c – 8d)(11c + 8d)
11c (11c + 8d)
30s
Q4
Which of the following is NOT a factor of 8x3y2?
(8x3)(y2)
(4xy)(2x2y)
(2xy2)(4x2y)
(x3y2)(8)
30s
Q5
Which of the following is a difference of two squares?
a2 - 27
x6-y5
x4 – 36
x4 + 9
30s

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