For all integers a and b, a%b = (a + b)(a - b).
For all integers a and b, a%b = (a + b)(a - b). If 4%x = 7, then which of the following could be a value of x?
Answer/Solution
-3
Steps/Work
4%x = (4+x)(4-x)
16-x^2 = 7
x^2 = 9
x=-3,3
Ans: B
16-x^2 = 7
x^2 = 9
x=-3,3
Ans: B