taylormill137ow6qqw
taylormill137ow6qqw taylormill137ow6qqw
  • 12-09-2017
  • Mathematics
contestada

solve the pair of simultaneous equations:
2x + y=7
x-2y+1

Respuesta :

Stormpegacat
Stormpegacat Stormpegacat
  • 12-09-2017
2x + y = 7 is an eqn of a straight liney = -2x +7with a slope of -2, and an intercept of 7 the table is for a straight line with a positive slope of 2found from e.g using the first two points in the table: (1 - -1)/(-3 -  -4) = 2and an intercept of 7y = 2x + 7 or-2x + y = 7
Answer Link
Angieang Angieang
  • 12-09-2017
This is middle school right
Answer Link

Otras preguntas

Which equation shows 2x – y = 6 converted to slope-intercept form? y = x – 3 y = 2x – 6 y = –2x + 6
which graph shows the solution set of the compound inequality 1.5x-1>6.5 or 7x+3<-25
Which was NOT a cause of world war 2 in Europe? A: Failure of the treaty of Versailles B: German invasion of Poland C: Failure of appeasement D: Attack on Pearl
Cyclical unemployment occurs because a workers skills do not match available jobs
Susan made the following diagram shown to represent some phases of the moon as seen from Earth. Why is Susan's diagram of the phases of the moon incorrect? -Fi
I need help with this math question
What is the inverse of the function 4x-9
What does film music convey
Cuando juego el béisbol, uso ________. Question 1 options: el campo la raqueta el guante la pesa
In the data set below, what is the mean absolute deviation?4461526If the answer is a decimal, round it to the nearest tenth.mean absolute deviation (MAD):