Juan says that 8, 1 3/4, and -12 are all integers. is he correct? explain your answer. me fast

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

How to do this , and can some one explain