A line in two-space has scalar equation 3x + 5y + 9 = 0.  Which vector is parallel to the line?

The equation 2x + 5y = 9 can represent

Find and test all critical numbers for the function f(x) = x3 + 9×2 – 21x – 12.

How many solutions does this system have? 10x – 7y = 10 4x + 5y = 12

Which property of vectors is incorrect?

Find the correct thermodynamic description of the following  reaction that is spontaneous at some conditions:  S6(s) => 6S(g)

The morphological species concept is made more challenging by the existence of 

Which plane does not contain the point (10, -3, 5)?

If f(x) = sin 3x + cos 2x, then f'(x) =

According to the_______Law  of Thermodynamics, for any spontaneous reaction, the energy is conserved in chemical processes