Analytic Geometry Answers

Find a ⋅ b.

a = 10i + 9j, b = 4i + 3j

what do i have to do with the i

Find a ⋅ b.

a = <2, 4>, b = <2, 5>

What can i do in this

Determine whether the vectors u and v are parallel, orthogonal, or neither.

u = <6, -2>, v = <2, 6>

what can i do in this

Find the angle between the given vectors to the nearest tenth of a degree.

u = <6, -1>, v = <7, -4>


what can i do in this

6.4 Evaluate the expression:

v ⋅ w

Given the vectors:

r = <8, 8, -6>; v = <3, -8, -3>; w = <-4, -2, -6>

what can i do in this case

find The line through the point(3,3)with a slope of -1

show that the curvilnear coordinate system defined by the following equations is orthogonal. x=uvcosØ,
y=uvsinØ, z=1/2(u^2-v^2)

express by an algebraic equation the statement that the point P(x,y) is at a distance 3 from (-7,-3)

what are the coordinates of the midpoint of a segment whose end point are (2,-3) and (-6,-3)?

if the line has a slope of 5 and y-intercept of -3,what would be the equation in the form of Ax+By+c=0?