Multiple Choice
Find all real solutions to the system of equations using the addition method.
-3
A) (2, 1) , (2, -1) , (-2, 1) , (-2, -1)
B) (-1, 2) , (1, -2)
C) (2, 1) , (-2, -1)
D) (1, 2) , (-1, 2) , (1, -2) , (-1, -2)
Correct Answer:

Verified
Correct Answer:
Verified
Q78: Write the equation in standard form (if
Q79: Write the equation in the form y
Q80: Use the method of completing the square
Q81: Graph the equation.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Graph the equation.
Q82: Solve the problem.<br>-The perimeter of a rectangle
Q84: Solve the problem.<br>-Simple interest is calculated using
Q85: Determine the equations of the asymptotes for
Q86: Name the conic.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Name the conic.
Q87: Graph the equation.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8475/.jpg" alt="Graph the equation.
Q88: Indicate whether the equation represents an ellipse,