FIRST QUARTERLY EXAM IN MATHEMATICS 8
Quiz by MICHELLE MANALANSAN
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- Q1
Factor the given polynomials:4x2+6x+8
(x+4) (x−1) (x2-x-1)
2(x2+3x-4)
2(2x2+3x+4)
x2+2-4(x+1)
30sM8AL-Ia-b-1 - Q2
Factor the given binomial: 3x2+6x
3x(x-2)
(3x3+1)
3x(x4+2)
3x(x+2)
30sM8AL-Ia-b-1 - Q3
Factor the expression completely: 2x2+ 4x – 16
2x(x- 2)(x+ 4)
2(x+ 2)(x- 4)
2(x- 2)(x+ 4)
2(x+4)(x-4)
30sM8AL-Ia-b-1 - Q4
Factor by grouping: 7x+7x3+x4+x6
x(1+x2)(6+x3)
7x(1+x2)(7+x3)
x(1+x2)(7+x3)
2x(1+2x2)(4+x3)
30sM8AL-Ia-b-1 - Q5
Factor by grouping: 18x+33−6x4−11x3
(9+x2)(1+x3)
(6x+11)(3-x3)
(6x+x2)(3+x3)
(6x+4)(2-x3)
30sM8AL-Ia-b-1 - Q6
A rectangle has sides of length x+5 and x−3. What is x if the area of therectangle is 48?
x=9
x=12
x=10
x=7
30sM8AL-Ib-2 - Q7
Fraction whose numerator and denominator are ____________ is called rational algebraic expression.
Rational expression
Polynomial
Simplifying
Excluded value
30sM8AL-Ic-1 - Q8
What type of expression is
excluded value
Rational algebraic expression
Irrational algebraic expression
none of the above
30sM8AL-Ic-1 - Q9
Simplify
Irrational algebraic expression
Rational algebraic expression
none of the above
excluded value
30sM8AL-Ic-2 - Q10
Simplify
-2x-5
30sM8AL-Ic-2 - Q11
Subtract:
30sM8AL-Ic-2 - Q12
Perform the operation/s asked:
30sM8AL-IIa-1 - Q13
Simplify:
1
-1
3x-9
3x-x2
30sM8AL-IIa-1 - Q14
Solve the given rational equations:
x=6
x=4
x=5
x=7
30sM8AL-Id-2 - Q15
Theson’s age is one-fifth of his mother’s age. In 10 years, she will be 2/5 of hismother’s age. How old is the mother?
x=29
x=31
x=38
x=30
30sM8AL-Id-2
