Answer: 16y² - x²
Step-by-step explanation: The - sign means a difference, so the choices with + signs are eliminated (though 64x² and 9 are squares)
10 is not a square so that one is eliminated (though the y² and the 4x² are squares)
16 is the square of 4, y² is the square of y, and x² is the square. That expression shows a difference of squares.
Answer:

Step-by-step explanation:

Answer:
slope is -4 y-axis is 9
Step-by-step explanation:
C is correct answer, passes through (5,-1) and also has slope of 3/4
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