Question

Which equation represents the graph of the linear function?

A.
y = −3x + 1

B.
y = −3x − 1

C.
y = 3x + 1

D.
y = 3x − 1

Answer 1

Okay, first off you have to fill in the equation y = mx + b, where m is the slope, and b is the y-intercept. The slope is rise/run, which is 3/1, or 3. And the y-intercept is the place where the line touches the y-axis, so can you fill it in now?

Answer 2

one easy way is to do slope intercept form
y=mx+b
m=slope
b=y intercept
slope=rise over run
slope=for every y units up, the graph goes x units to the right
it seems to intersect at 0,-1 and 1,2
it seems to go up 3 units for every 1 unit it goes to the right
so the slope is 3/1 or 3
y=3x+b

y intercept is where the line intersects tht y axis
it seems to be at the oint 0,-1 or at -1
y=3x-1 is the form