Ordered Triple Practice

The distance between ( 1,2,3 ) and ( 4,5,6 ) ≈ ___ .

• 5.2

• 4.5

• 3.7

• 4.1

The distance between ( 11, 8, -3 ) and ( 6, 5, -6 ) ≈ ___ .

• 43

• 6.6

• 5.6

• 6.5

What is the formula to find the midpoint between

two ordered triples ( x1,y1,z1 ) and ( x2,y2,z2 ) ?

• [(x1 + x2)/2, (y1 + y2)/2, (z1 + z2)/2]

• [(x1 + x2)/2, (y1 + y2)/2, (z1 + z2)/4]

• [(x1 + x2)/2, (y1 + y2)/2, (z1 + z2)]

• [(x1 + x2)/2, (y1 + y2)/2, (z1 + z2)/3]

Given two ordered triples ( 1,2,3 ) and ( 4,5,6 ),

their midpoint is ___ .

• ( 3, 4, 5 )

• ( 2.5, 3.5, 4.5 )

• ( 5, 6, 7 )

• ( 1.5, 2.5, 3.5 )

Given two ordered triples ( 14, -2, -8 ) and ( 4, 6, -6 ),

their midpoint is ___ .

• ( 9, 8, -14 )

• ( 9, 2, -7 )

• ( 9, 4, -7 )

• ( 18, 2, -2 )

The distance between

the ordered triple ( 10, 2 , -3 ) and the origin ( 8, 9, 1 ) ≈ ___ .

• 11.4

• 8.3

• 73

• 23

The midpoint between

the ordered triple ( 1, 2, 3 ) and the origin ( 0, 0, 0 ) is ___ .

• ( 0, 0, 0 )

• ( 0.5, 1, 2 )

• ( 1, 2, 3 )

• ( 0.5, 1, 1.5 )

The distance between

the ordered triple ( 2, 4, 6 ) and the ordered triple ( 1, 2, 3 ) = ___ .

• sqrt( 14 )

• sqrt( 10 )

• sqrt( 16 )

• sqrt( 12 )

The midpoint between

the ordered triple ( 2, 4, 6 ) and the ordered triple ( 10, 6, 6 ) is ___ .

• ( 12, 3, 6 )

• ( 8, 5, 6 )

• ( 2, 3, 6 )

• ( 6, 5, 6 )

The midpoint between

the ordered triple ( -8, 12, -4 ) and the origin is ___ .

• ( -4, 6, -2 )

• ( -4, 1, -2 )

• ( -4, 6, -8 )

• ( 4, 6, 2 )