natasharamsden2206 natasharamsden2206
  • 04-02-2020
  • Mathematics
contestada

work out the equation of the line which has a gradient of -2 and passes through the point (1,7)

Respuesta :

bayosanuade
bayosanuade bayosanuade
  • 04-02-2020

Answer: [tex]y = -2x + 9[/tex]

Step-by-step explanation:

The formula for finding equation of line given slope and one point is given as :

[tex]y - y_{1} = m ( x - x_{1} )[/tex]

[tex]x_{1}[/tex] = 1

[tex]y_{1}[/tex] = 7

[tex]m = -2[/tex]

substituting the values into the equation , we have :

[tex]y - 7 = -2 ( x - 1 )[/tex]

[tex]y - 7 = -2x +2[/tex]

[tex]y = -2x + 2 + 7[/tex]

[tex]y = -2x + 9[/tex]

Answer Link

Otras preguntas

UV radiation causes the formation of
f of x equals -10 + 3 x / 5 anwser choice a f^-1 (x) = - xb f^-1(x) = 3/4x - 3/2c f^-1 (x) = 5x + 10/ 3 d f^-1(x) = x - 1​
road transportation is the best means of transportation in the context of nepal​
Need help with this question
Kl(aq) + Pb(NO),(aq) Pbl (s) KNO,(aq) Redox or nonredox?
What was the decision in Brown v. BOE?​
Waylon is back-to-school shopping with his mom at a large department store. He’s picked out the following items: 3 pairs of pants for $87 total, 4 t-shirts for
Which equation represents a line which is parallel to the line y=-5/2x-8
1. (5x² - 6x +2)+(9x + 10x - 7) - what is the answer?
Submit your project by choosing a situation in which to develop a safety plan. Be sure to include the following: a description of your facility; three potential