Answers to graphing WS

Answers to graphing WS

Answers to graphing WS

3-d Distance, Midpoint, and Intercepts

3-D TEST: Sept. 29 (Wednesday)Midterm: Oct. 6

Finding the distance between 2 points

2122

122

12 zzyyxxd 2122

12 yyxxd

2D (x, y)3D (x, y, z)

Finding the distance between 2 points in 3-dimentional space

(3, -2, 5)

(-1, 4, -2)

2122

122

12 zzyyxxd

Find the distance between the 2 points

1. (10, 2, –3 ) and (6, 4, –5)

2. (–1, 3, 4) and (0, –5, 2)

Finding the midpoint of the 2 points

2,

22121 yyxxMP

2D (x, y)3D (x, y, z)

2,

2,

2212121 zzyyxxMP

Find the midpoint of the 2 points

1. (10, 2, –3 ) and (6, 4, –5)

2. (–1, 3, 4) and (0, –5, 2)

Graph the equation of the plane3x + 2y + 4z =12

Find the x, y and z intercepts by plugging in 0’s.

X

Z

Y

Homework

• Distance/Midpoint/Intercepts WS