Question
If x and y are ______ then the linear equation 4x+8y = 12 has unique solution.
A) Negative Integers
B) Natural Numbers
C) Real Numbers
D) Rational Numbers
Explain in detail
A) Negative Integers
B) Natural Numbers
C) Real Numbers
D) Rational Numbers
Explain in detail
Answers
oobleck
clearly, (1,1) is a solution
To make it the only one, B needs to be the answer
Otherwise, the solution set lies on a straight line, with many values.
Plot the line and this is easy to se.
Natural numbers lie only in Quadrant I, and exclude the axes.
To make it the only one, B needs to be the answer
Otherwise, the solution set lies on a straight line, with many values.
Plot the line and this is easy to se.
Natural numbers lie only in Quadrant I, and exclude the axes.