What is the determinant of the denominator?

Consider the equations:

3x + y = 9
4x - 3y = 4




³3 1³
³ ³ = -13
³4 -3³

Mathematics

You might also like to view...

If  represents the temperature, in degrees Fahrenheit, of a potato in the oven after t minutes, what units are associated with the average rate of change for T with respect to ?t?

What will be an ideal response?

Mathematics

Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(-7, 10); m = 0

A. x = -7
B. y = x + 0
C. y = 10
D. y = x + 0

Mathematics

Perform the indicated operation. Simplify, if possible. - 

A.
B.
C.
D.

Mathematics

Write an equation for the ellipse.foci at (0, 11), (0, -11), through the point 

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics