TEST - 8 - MATHS & SCIENCE (ENG)
Authored by LIL - N ACADEMY
English
6th - 8th Grade
Used 1+ times
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130 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In (3x-2y)(2x+5y), the coefficient of xy is
7
11
−11
−7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
12a^3b^2 / (-4ab) equals
−3a^2b
3a^2b
−3ab^2
3ab^2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify (x^2-9)/(x-3) for x ≠ 3.
x−3
x+3
x^2+3
x+9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In (a+b)^3, the coefficient of ab(a+b) equals
1
2
3
6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(a+b)^3 - (a-b)^3 equals
2(3a^2b+b^2)
6a^2b+2b^3
6ab^2+2a^3
2(3ab^2+a^3)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If x+y+z=0, then x^3+y^3+z^3 equals
0
3xyz
x^2+y^2+z^2
xyz
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Value of 101×99 using identities is
10000
9999
9901
10100
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