11. Find the slope of the line that passes through
the points (-1, -3) and (-9, 7).

or

Step-by-step explanation:

In order to find the answer to this question you must put the coordinates into the slope formula and solve.

Substitute:

Solve using KCC:

Hope this helps.

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!