Which of the following is the equation of the line that passes through (0, -2) and (3, 4)?
2007-12-01 05:31:33 · 3 answers · asked by Vivi A 1 in Science & Mathematics ➔ Mathematics
The slope of a line is. -2/3
What is the slope of a line that is parallel to it?
2007-12-01 05:32:08 · update #1
What is the slope of the line that passes through the points (3, -2) and (-1,0)?
2007-12-01 05:32:40 · update #2
What is the slope of the line that passes through the points (3, -1) and (-1, -1)?
2007-12-01 05:33:11 · update #3
for (0,-2) and (3,4),
slope is 6/3 = 2, so
y-4 = 2(x-3)
y = 2x - 2
note: (0,-2) is the y-intercept
lines parallel to a line with slope -2/3 also have slope -2/3.
slope through (3,-2) and (-1,0) is 2/-4 = -1/2
slope through (3,-1) and (-1,-1) is 0
2007-12-01 05:39:24 · answer #1 · answered by Philo 7 · 0⤊ 0⤋
to find the equation for the line that passes through (0, -2) and (3, 4):
first find the slope: (y2 - y1)/(x2 - x1) = (rise/run)
(4 - -2) = 6 (rise)
(3 - 0) = 3 (run)
6/3 = 2, 2 is the slope
for the equation y = mx + b plug in one of the points with the slope
4 = 2(3) + b; solve for b
b = 4/6 = 2/3
the equation is: y = 2x + 2/3
The slope of a line is. -2/3
What is the slope of a line that is parallel to it?
-That would have to be equal slopes so -2/3
What is the slope of the line that passes through the points (3, -2) and (-1,0)?
rise/run : (0 - -2)/(-1 - 3) = 2/-4 = -1/2
What is the slope of the line that passes through the points (3, -1) and (-1, -1)?
rise/run : (-1 - -1)/(-1 - 3) = 0/4 = 0
the slope is zero so it is a horizontal line at y = -1
2007-12-01 05:40:40 · answer #2 · answered by z32486 3 · 0⤊ 0⤋
green. but never on a friday morning.
2007-12-01 05:39:56 · answer #3 · answered by clavdivs 4 · 0⤊ 0⤋