Are those supposed to be your answers ?
None make any sense, since it asked for the equation of the line
I will do a)
2 points (1,4) and -1,1)
slope = (1-4)/(-1-1) = -3/-2 = 3/2 , note that the brackets in the first calculation are essential
using the point (1,4)
y-4 = (3/2)(x-1)
times 2, the LCD
2y - 8 = 3(x-1)
2y - 8 = 3x- 3
3x - 2y = -5 OR 3x-2y+5=0 OR y= (3/2)x + 5/2
try b) the same way
Determine the equation of the lines perpendicular to the given lines and passing through the given points:(a)(1,4) and (-1,1) (b) (3,3) and (-1,-1)
a. 4-1/-2-1 = 3-1/3-1
b. 4-1/-2-1 = 3-(-1)/3-1
c. 4-1/1-(-2)= 3-(-1)/3-(-1)
d. 1-(-2)/4-1 = 3-1/3-1
4 answers
Thank you. Those are the choices I have to pick
I should have read your question a bit more carefully
It asked for the equation of the lines perpendicular to the line joining the points
Now the question makes even less sense, since we don't know through which point our perpendicular will pass
Your answers appear to find slope, but without brackets nothing makes sense
It asked for the equation of the lines perpendicular to the line joining the points
Now the question makes even less sense, since we don't know through which point our perpendicular will pass
Your answers appear to find slope, but without brackets nothing makes sense
sorry I wrote problem wrong:
Which equation would you use to find out if the two lines in the graph are parallel:(a)(1,4) and (-1,1) (b) (3,3) and (-1,-1)
a. 4-1/-2-1 = 3-1/3-1
b. 4-1/-2-1 = 3-(-1)/3-1
c. 4-1/1-(-2)= 3-(-1)/3-(-1)
d. 1-(-2)/4-1 = 3-1/3-1
Which equation would you use to find out if the two lines in the graph are parallel:(a)(1,4) and (-1,1) (b) (3,3) and (-1,-1)
a. 4-1/-2-1 = 3-1/3-1
b. 4-1/-2-1 = 3-(-1)/3-1
c. 4-1/1-(-2)= 3-(-1)/3-(-1)
d. 1-(-2)/4-1 = 3-1/3-1