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

13. (1 pt) Who was Hiram Bingham? A. a Harvard-trained archaeologist who first explored the Maya ruins at Tikal B. a Yale-trained explorer who first discover
what does a 220 degree angle look like?
Which of the following 19th-century figures is known for opening Japan to U.S. trade? A)Franklin D. Roosevelt B)Francis Xavier C)Matthew Perry D)Sato Eisaku
how do I solve for x in x^2 - 8x + 12 = 0 using factoring?
what are three major water problems in southwest asia?please help!
A weather balloon has a volume of 52.5 liters at a temperature of 295 K. The balloon is released and rises to an altitude where the temperature is 252 K. How do
A bottle of fruit juice is 800 milliliters. How many liters of fruit juice are in 120 bottles?
por que os vulcões e os terremotos são mais freqüentes em certas regiões do planeta
4/3v^2x -5/6vx^3 what is this answer for algebra
how is aluminium foil able to reduce heat loss through the walls of a house