Iam not understanding these fractions. someone me

step-by-step explanation:

de-gf

hj=3x+20

ji=15x-64

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.

h is the x-coordinate of the vertex

step-by-step explanation:

we have

in this function

the point represent the vertex of the function

so

h is the x-coordinate of the vertex

k is the y-coordinate of the vertex

step-by-step explanation:

x-intercept:

(

−

1

+

√

7

,

0

)

,

(

−

1

−

√

7

,

0

)

y-intercept:

(

0

,

−

6

)