Question

help me please

Answer 1

take any 2 points from the lines

calculate change in rise/change in run

this will be your gradient m

The equation for a straight line is y = mx + c

Answer 2

? :o what?

Answer 3

y = -2x -3

interpret the graph. can you see the line is falling as we go right ?
so slope is -ve for such graphs. do you know how to calculate slope ?

Answer 4

is it y2-yl / x2-x1 when you find the solution?

Answer 5

correct. you can take any two points on the line and compute the slope.
u will get the same number. try it now..

Answer 6

so can i take any two points from this one then do the y2-yl

Answer 7

mathematically yes. but we will take the points : (-4, 4) and (0, -1)
can you locate them in your graph ?

Answer 8

yes is it -5/4

Answer 9

poerfect. can you frame the equation of line now ?

Answer 10

is it y=-5/4x-1?

Answer 11

correct... you are tooo good badatmath !!!!!

Answer 12

Thank you :)