sarahleelucasmm
sarahleelucasmm sarahleelucasmm
  • 16-05-2018
  • Mathematics
contestada

the slope of the line below is -3. which of the following is the point-slope form of the line? A.) y+2=3(x-2) B.) y+2=-3(x-2) C.) y-2=-3(x+2) D.) y-2=3(x+2)

the slope of the line below is 3 which of the following is the pointslope form of the line A y23x2 B y23x2 C y23x2 D y23x2 class=

Respuesta :

gmany
gmany gmany
  • 16-05-2018
The "point-slope" form of the equation of a straight line is:

[tex]y-y_1=m(x-x_1)\\\\(x_1;\ y_1)\ is\ a\ known\ point\\\\m\ is\ the\ slope\ of\ the\ line[/tex]

We have:

[tex]m=-3;\ (x_1;\ y_1)=(2;-2)[/tex]

Substitute

[tex]y-(-2)=-3(x-2)\\\\y+2=-3(x-2)[/tex]

Answer: B. y + 2 = -3(x - 2)
Answer Link

Otras preguntas

All of the following aided in the decline of Incan Empire except
the earliest civilization known to exist in the andes region was the:
what is 6 [4•(72-63)÷3]
what insights does franklin gain about the goal of achieving perfection as he gets ollder?
for her sculpture fetima cut 5 pieces of wire in the following lenghts 1.3m 4.2m 2.8m 5.9m 8.1m how much wirw did she use all along
If one angle of a rhombus is 35 degrees what are the remaining three angles.
what was the difference between wergild and the ordeal?
why is homeostasis so important to the human body?
A microscope has a setting that magnifies an object so that it appears 100 times as large when veiwed through the eyepiece. If a dust particle is 0.03 cm long,
what is -1.65 as a fraction in simplest form