anonymous
  • anonymous
how do you write an equation from looking at a graph that already has the line drawn?
Mathematics
schrodinger
  • schrodinger
See more answers at brainly.com
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Get this expert

answer on brainly

SEE EXPERT ANSWER

Get your free account and access expert answers to this
and thousands of other questions

anonymous
  • anonymous
use the slope intercept form (y = mx + b), where m represents the slope and b represents the y-intercept, look at the graph and find they y intercept, plug this value in for b, then find the slope and plug this value in for m
anonymous
  • anonymous
ok oneBIG problem, no has ever show me how to read graphs so I don't have a clue what I am looking at.
anonymous
  • anonymous
look at the graph where does it cross the y-axis ( the one that goes up and down)? that is what is substituted in for b then look at the line from the y-intercept, count how many units up and how many units over you have to go to get to the next point (this is the slope, plug it in for b), (example: if you count up 3 and right 5 the slope is 3/5)

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
ok up 3 over to the right 7 =3/7 right? then how do i figure for y=?
anonymous
  • anonymous
y=mx + b, where m = slope, and b = y-intercept
anonymous
  • anonymous
ok m = 3/5 and b=3???
anonymous
  • anonymous
so y=3/5x + 3?
anonymous
  • anonymous
yes
anonymous
  • anonymous
cool I got one right. thank you very much
anonymous
  • anonymous
congratulations
anonymous
  • anonymous
i had another one to do and the way you explained it I was able to do that one rather quickly
anonymous
  • anonymous
now if u can help me do the equation and then draw the line on a blank graph y=-2x+5
anonymous
  • anonymous
m = -2, and b = 5 so go up 5 units on the y-axis and put a point, then count from the point (up 2, left 1) or (down 2, right 1) to find more points, then connect them to graph the line
anonymous
  • anonymous
ok how do u know if u go up 2 or down 2?
anonymous
  • anonymous
if the slope is negative the line will tilt up on the left and down on the right, so (up 2, and left 1) will the same as (down 2 and right 1)
anonymous
  • anonymous
ok i see. thanks. now the next one is different. x+5y=10
anonymous
  • anonymous
you need to solve for y, so move the x to the right (5y = -x + 10), then divide all the terms by 5 (y = -1/5x + 2), so the y-intercept is 2, and the slope is -1/5 (up 1, left 5 or down 1, right 5)
anonymous
  • anonymous
ok thanks

Looking for something else?

Not the answer you are looking for? Search for more explanations.