Answer: B
Step-by-step explanation:
Answer:
For 2a, we are completing the square (see the image below)
To find the stationary point (2b) you change the sign of the number inside the brackets and keep the number outside the same i.e (-2, 7)
Hope this helps!
False:))))))))))))))
-2x3x3=-18
If my math is right it should be b