The linear equation x+2y=4 has
a. a unique solution
b. finite solution
c. infinitely many solution
d. no solution
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Answer:
A correct option is an option a) unique solution.
Step-by-step explanation:
To determine what type of solutions this given equation x + 2y = 4 has,
we need to calculate the D value or the discriminant value.
The formula for calculating it is as follows:
D =
the equation is x + 2y = 4 can also be written as 1x +2y -4 = 0
Here we have a = 1, b = 2 and c = -4
Therefore D =
⇒ D =
⇒D = = 4.89
Therefore D is a positive value, hence the following equation has a unique solution. Hence option a is correct.
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