Q 17. The square of -9 is
(a) -81 (b) 81 (c) 18 (d) -18
Answers
Answered by
4
Hi there !!
-9 x -9 = 81
when two negatives are multiplied , the product obtained is positive !
(-9)² = 81
hence ,
the ans is option (b)
-9 x -9 = 81
when two negatives are multiplied , the product obtained is positive !
(-9)² = 81
hence ,
the ans is option (b)
Answered by
2
the square of -9 is 81 as -9x-9=81 (-,-=+) hope ot will help u
Similar questions