Types of Variables in Equations Quick Check
3 of 5 3 of 5 Items
Question
Investigate the unknown values in the equation x+y=9. Which of the following statements must be true?(1 point)
Responses
Both x and y must be positive values.
Both x and y must be positive values.
There is only one solution: x=4 and y=5.
There is only one solution: x equals 4 and y equals 5 .
There are infinitely many solutions to this equation.
There are infinitely many solutions to this equation.
Both x and y can be negative values.