Which of the following is not an attribute of a linear equation?

a)the equation has a single variable.
b)the variable must be raised to the second power.
c)the equation is of the first degree.
d)the equation has an equal sign.

B)The variable must be raised to the second power.

Step-by-step explanation:

The general form of linear equation is given by :-

, where m and c are real numbers .

It represents a line on a coordinate plane.

It can have one or two variables.

the equation has an equal sign.

It is the equation with variable of first degree.

It cannot have degrees greater than one.

Therefore, Option B is not an attribute of a linear equation.

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a