Which variable is usually called the independent variable?

the independent variable is the one that can be manipulated, or changed. the dependent variable is always dependent on what the value of the independent variable is, where as the independent variable is free to be anything. (in math, x is usually independent and y is dependent because you are inputing a value for x and y is the result)

the answer is su.k.my? ? co.kc

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,