1. Find the area of the triangle whose vertices are A(-3, -1), B(5,3), C(2, -8). 2. The midpoint of the line segment between Pi (x, y) and point P2 (-2, 4) is Pm (2, -1). Find the coordinate of P,. 3. Find the distance from the point (5, -3) to the line 7x - 4y- 28 = 0. 4. Determine the coordinate of the point which is three-fifths of the way from point (2, -5) to the point (-3, 5). 5. Determine the angle 0 between the lines 3x + 4y - 6 = 0 and 2x + 3y + 4 = 0.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter2: Equations And Inequalities
Section: Chapter Questions
Problem 4PT: Find the exact distance between (5,3)and(2,8) . Find the coordinates of the midpoint of the line...
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1. Find the area of the triangle whose vertices are A(-3, -1), B(5,3), C(2, -8).
2. The midpoint of the line segment between Pi (x, y) and point P2 (-2, 4) is Pm (2, -1). Find the coordinate of P,.
3. Find the distance from the point (5, -3) to the line 7x - 4y - 28 = 0.
4. Determine the coordinate of the point which is three-fifths of the way from point (2, -5) to the point (-3, 5).
5. Determine the angle 0 between the lines 3x + 4y 6 = 0 and 2x + 3y + 4 = 0.
Transcribed Image Text:1. Find the area of the triangle whose vertices are A(-3, -1), B(5,3), C(2, -8). 2. The midpoint of the line segment between Pi (x, y) and point P2 (-2, 4) is Pm (2, -1). Find the coordinate of P,. 3. Find the distance from the point (5, -3) to the line 7x - 4y - 28 = 0. 4. Determine the coordinate of the point which is three-fifths of the way from point (2, -5) to the point (-3, 5). 5. Determine the angle 0 between the lines 3x + 4y 6 = 0 and 2x + 3y + 4 = 0.
vectors
X-components
y-components
100 kg
100 cos 40° =
76.6
100 sin 40° = 64.28
300 kg
300 cos 45° = - 212.13
300 sin 45° = 212.13
200 kg
200 cos 70° = - 68.4
200 sin 70° = -187.9
400 kg
400 cos 35° = 327.66
400 sin 35° = - 229.43
TOTAL(X) =
123.73
TOTAL(Y) = - 149.92
%3D
%3D
123.73
R =V123.73 + 149.922
R = 194.4 kg
R
149.92
149.92
tan Ø
123.73
Ø = 50.4° with the x-axis
Transcribed Image Text:vectors X-components y-components 100 kg 100 cos 40° = 76.6 100 sin 40° = 64.28 300 kg 300 cos 45° = - 212.13 300 sin 45° = 212.13 200 kg 200 cos 70° = - 68.4 200 sin 70° = -187.9 400 kg 400 cos 35° = 327.66 400 sin 35° = - 229.43 TOTAL(X) = 123.73 TOTAL(Y) = - 149.92 %3D %3D 123.73 R =V123.73 + 149.922 R = 194.4 kg R 149.92 149.92 tan Ø 123.73 Ø = 50.4° with the x-axis
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