# MATH-8-Q1-Periodic-Test-

## Quiz by CID Marikina

Grade 8

Mathematics

Philippines Curriculum: Grades K-10 (MELC)

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50 questions

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- Q1
Which of these expressions is in the form of the sum of two cubes?

$X\backslash \; +\backslash \; 3$

$X^3\backslash \; -\backslash \; 27$$X^\{3\backslash \; \}+\backslash \; 27$$X^3\backslash \; +\backslash \; 6$30sM8AL-Ia-b-1 - Q230sM8AL-Ia-b-1
- Q3
Which of the following expressions has factors, 3(g + 1) (g – 1)?

$3g^2\backslash \; -\backslash \; 3$3(1)(g)

$3\backslash \; \backslash left(g^2\backslash \; +\backslash \; 1\backslash right)$$g^2$ – 130sM8AL-Ia-b-1 - Q430sM8AL-Ia-b-1
- Q530sM8AL-Ia-b-1
- Q6
Which quadratic expressions give the correct factors?

x$^2$+ 7x + 10 = (x – 2) (x – 5)x $^2$+ 7x + 10 = (x – 2) (x + 5)x$^2$+ 7x + 10 = (x + 2) (x + 5)x $^2$+ 7x + 10 = 7x(x+10)

30sM8AL-Ia-b-1 - Q730sM8AL-Ia-b-1
- Q830sM8AL-Ia-b-1
- Q930sM8AL-Ia-b-1
- Q1030sM8AL-Ib-2
- Q11
Which of the following is an example of a rational algebraic expression?

$\backslash frac\{3n^2\}\{15^3\backslash sqrt\{\; \}n\}$

$\backslash frac\{3+\backslash \; \backslash sqrt\{n^2\}\}\{2+3n\}$$\backslash frac\{5x^3+4\}\{2n+3\}$$\backslash frac\{3n^\{-5\}+4\}\{2n^\{-2\}+1\}$30sM8AL-Ic-1 - Q12
Which of the following terms is described as "the ratio of two polynomial expressions"?

linear algebraic expressionlinear algebraic equation

rational algebraic expressionrational algebraic equation30sM8AL-Ic-1 - Q1330sM8AL-Ia-b-1
- Q1430sM8AL-Ia-b-1
- Q1530sM8AL-Ia-b-1