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!
Answer:
10ab-5a
Step-by-step explanation:
Just write it backwards.
Answer:
100
Step-by-step explanation:
The answer is B. for the ineq
For #5:
Blank 2: higher score
Blank 3: lower score
For #7:
-27*9=-243
x=-243