What is the slope of the line shown below? (3,6) (1,-2)

Slope of

(3,6)

(1,-2)

=up 4(four) and right 1(one)

Slope=

y2-y1/x2-x1

-2-6/1-3

-8/-2

4

Points (3,6)  and (1,-2)

Slope (m) =

Change in y = -2 - 6 = -8

Change in x = 1 - 3 = -2

Slope (m) = -8 ÷ -2 = 4

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.