Write a system of equations associated with the augmented matrix. Do not try to solve.

A. x = 5
y = 5
z = 0
B. x = 2
y = 2
z = 7
C. x = -2
y = -2
z = -7
D. x = 0
y = -4
z = -9


Answer: C

Mathematics

You might also like to view...

Evaluate the integral by changing the order of integration in an appropriate way.

A. 9 ln 126
B.  ln 126
C. 9 ln 626
D.  ln 626

Mathematics

Divide if possible.

A. 15 B. 0 C. 1 D. Undefined

Mathematics

Multiply the pair of monomials.(-4x3y4)(8x4y)

A. 4x12y4 B. -32x7y5 C. -32x7y4 D. 4x7y5

Mathematics

Solve the problem.Kayla, a photographer, can produce prints of her photos at a cost of $3 per print, with a setup cost of $30 per run. She sells the prints for $8 each. Write an equation for the total cost. Let C represent the total cost and x represent the number of photos produced. Graph the equation by hand. Use the graph to determine the cost of producing 10 prints. 

A. C = 8x; $72

B. C = 3x + 30; $63

C. C = 8x; $80

D. C = 3x + 30; $60

Mathematics