Solve the system using substitution.3x + y = -7y = - x + 

A. (-4, 5)
B. (5, -4)
C. all points on the line 3x + y = -7; dependent system
D. empty set; inconsistent system


Answer: A

Mathematics

You might also like to view...

Provide an appropriate response.Is there anything special about the tangents to the curves xy = 1 and  at their point of intersection in the first quadrant? Explain.

What will be an ideal response?

Mathematics

Which of the first three prime numbers - 2, 3 and 5 - are factors of the following?2623

A. 3 B. 2, 3 C. none D. 3, 5

Mathematics

Identify the radicand.s2t

A.
B. s2t
C.
D. (s2t)

Mathematics

Write the polynomial in descending order.-4 - y

A. y - 4 B. -y + 4 C. y + 4 D. -y - 4

Mathematics