Write the absolute value equation if it has the following solutions.
Two solutions: x=2.5, x=−3.5.

The absolute value equation is , if the solutions are x=2.5 and x=-3.5.

Step-by-step explanation:

The given is,

                Two solutions: x = 2.5 and x = -3.5

Step:1

               In this question we use reverse method of quadratic equation solve method,

               From first solution, x = 2.5

                                       x - 2.5 = 0..........................(1)

               From the second solution, x = -3.5

                                               x + 3.5 = 0.................(2)

                From the equations (1) and (2),

                          ( x - 2,5 ) ( x + 3.5 )  = 0

               Multiply the equations,

Step:2

            Check for solution,

                              ..........................(3)

            Substitute the value of x=2.5 in above equation,

                         6.25 + 2.5 - 8.75 = 0

                                                 0 = 0          

Result:

           The absolute value equation is , if the solutions are x=2.5 and x=-3.5.  

1.4

2.3

step-by-step explanation:

the formula for the constant of variation is

y= kx

divide each side by x

y/x =kx/x

y/x =k

we know a and y

1.   y/x = k

4/1 =4

check the other values to make sure they are the same

8/2 = 4   12/3 =4   and 16/4 =4  

the constant of variation is 4

2.   y/x = k

3/1 =3

check the other values to make sure they are the same

6/2 = 3   9/3 =3   and 12/4 =3  

the constant of variation is 3

step-by-step explanation:

∆abc has the points a(1, 7), b(-2, 2), and c(4, 2) as its vertices. formed with the point d(1, 2) as its third vertex, then ∆abd is triangle.