easy
Step-by-step explanation:
if you have for example x^2-4
just graf x^2 and that put down all point for 4
The answer is x=-7 and x=-1
Answer:
10^4
Step-by-step explanation:
10×10×10×10=10,000, which is given number.
Answer:
The third one
Step-by-step explanation:
The equation for a circle is 
(h, k) is the center