Question

Q:1 )If |2x-3|=7 which of the following could be the value of x?
A) 5
B) -2
C)both a and b
D)none of these


Q:2)if (81^-4)^k =9^-16 , what is the value of k?
A) 8
B) 4
C) 2
D) 1

Q:3) if |2x+5|=7 and |5y-3|=6 , which of the following is not a possible value of 2x+5y

Answer 1

Q. 2 ans. 5
Q. 3.ans 11