Which statement about a system of linear equations is incorrect? a) a system can be solved by using the graphical method. b) a system always has a unique solution. c) the elimination method can be used to find the solution to a system. d) some systems of linear equations have no solution at all.

B

Step-by-step explanation:

B is incorrect.  Some systems have infinitely many solutions.

the answer is the option b

the range is all real numbers

step-by-step explanation:

we know that

the absolute value parent function is equal to

see the attached figure to better understand the problem

so

a. it is v-shaped > is true

b. the range is all real numbers > is not true

because the range is the > [0,∞)

all real numbers greater than or equal to zero

c. it goes through the origin > is true

d. the domain is all real numbers > is true

step-by-step explanation:

the answer will be the last one