Question

7. The mean proportional between 9 and 16 is
(a)144
(b)04
(c)12
(d)03
8. The polynomial x2 + 5x - 10x +7 having degree
(a)02
(b)03
(c)-3
(d)01
9. The power in the expression (x)is
(a)10
(b)1/2 4/4
10. The additive inverse of -22 is
(c)20
(d)05​

Answer 1

Answer:

7) 12

8) 2

9)1

10)22

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