SOLUTION: Find the equation for a line which passes through the points (1, 8) and (4, –1) . Write the equation in slope-intercept form. Please show work.
Algebra.Com
Question 1023489: Find the equation for a line which passes through the points (1, 8) and (4, –1) . Write the equation in slope-intercept form. Please show work.
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
Gradient = y2 - y1/x2 - x1
Gradient = -1 - 8/4 - 1
Gradient = -9/3
Gradient = -3
Using line equation
y - b = m(x - a)
m = -3 (a, b) = (1, 8)
y - 8 = -3(x - 1)
y - 8 = -3x + 3
y = -3x + 3 + 8
y = -3x + 11
Hope this helps :-)
RELATED QUESTIONS
Find the equation for a line which passes through the points (4, 1) and (6, – 3). Write... (answered by Alan3354)
Find the equation for a line which passes through the points (4, 1) and (6, – 3). Write... (answered by Alan3354,josgarithmetic)
Find the equation for a line which passes through the points (–1, 5) and (1, –7). Write... (answered by stanbon)
Find the equation for a line which passes through the points (1, 8) and (4, –1) . Write... (answered by Cromlix)
find the slope and y-intercept of the line which passes through the points (2,2) and... (answered by rfer)
write in slope intercept form of equation for the line that passes through (-8,-8) has... (answered by jim_thompson5910)
A)write the point-slope equation form of the line which passes through the 2points:... (answered by cristiana)
A line passes through the points(-8,-7)
and has a slope of 5/4
Write an equation (answered by josmiceli)
Find the equation for a line which passes through the points (-3,9) and (1,1). Write the... (answered by jim_thompson5910)