Simply solve for x:
-x^2 + 9 = 0 => x = 3 and x = -3;
plug x = 3 and x = -3 into the original equation you get 3 = 3 and -9 = -9, respectively;
So, the two intersecting points are (-3, -9), (3, 3).
And of course, the parabola opens down since its square term is minus.
Answer:
C=10
Step-by-step explanation:
A^2 + B^2 = C^2
A=6
B=8
C=?
A^2=36
B^2=64
C^2=100
Answer:
16.
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
Using the slope formula:
(-2-4)/1-(-1)
-6/2
-3
The slope is -3!
Hope this helped!
