MCQ
5)Pick the odd one out
a) 5a+15b ÷ 5
b) 5a + 3b
c) 5a/5 + 15b/5
d) 5a+15b/ 5
Q6: Which of the following is factor of Z²-4z-12?
a) Z+6
b) Z-6
c) Z²-12
d) None of these
Q7: Factors of “a²+b-ab-a” are
a) (a-1) (a-b)
b) (a+1) (a-b)
c) (a+b)(a-1)
d) None of them
8) If b=-1, then what is the value of b²-4b+4?
a) 1
b)
-9
c) 9
d) 7
9) If p+q = 7, pq= 2. Then p²+q² is
a) 49
b) 47
c) 45
d) 42
Answers
Answered by
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Answer:
Step-by-step explanation:
5) option ( b ) 5a + 3b
6) option ( b ) z - 6
7) option ( a ) ( a - 1 ) ( a - b )
8) option ( c ) 9
9) option ( c ) 45
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