saniyawisby saniyawisby
  • 18-10-2018
  • Mathematics
contestada

Which equation is a point-slope form of the equation of this line (-2, 1 ) and (1, 7 )

Respuesta :

gmany
gmany gmany
  • 18-10-2018

The point-slope formula:

[tex]y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

We have (-2, 1) and (1, 7).

Substitute:

[tex]m=\dfrac{7-1}{1-(-2)}=\dfrac{6}{3}=2[/tex]

[tex]y-1=2(x-(-2))\\\\y-1=2(x+2)[/tex]

Answer Link

Otras preguntas

Graph the equation. y-4=1/4(x-1)²
Where is metamorphic rock frequently found?
how has mass media changed the presidency
who was the first president to declare war
What is the value of m in the equation 1/2m -3/4n =16 , when n = 8?
Complete the sentences with the correct form of a phrasal verb with go (go away, go back, go down, go in, go on, go over, go up) 1) John , could you please.....
True or false? The two chambers at the bottom of your heart are called ventricles.
A trailing or climbing plant is also known as a _____?
In ancient Ghana, the next king would be the son of the current king’s sister. Which of the following words describes this system? A. Animist B. Bidal C. Matril
What is the value of m in the equation 1/2m -3/4n =16 , when n = 8?