Answer:
Step-by-step explanation:
a. scalene : Reason: all angles and sides are different measurements.
f. acute
: all the three angles are acute (Less than 90)
Answer:
Do you have a photo
Step-by-step explanation:
I'll be happy to help
Answer:
and 
Step-by-step explanation:
Here is how I found out the answers, i graphed them on Desmos:
=solid red line
= dotted black line
Hope this helps! Brainliest would be much appreciated! Have a great day! :)
Parabola equation with a vertex at (h, k) is given by y = a(x - h)^2 + k
For the give parabola, y = a(x - 4)^2 - 3
y = a(x^2 - 8x + 16) - 3
At (5, -6)
-6 = a((5)^2 - 8(5) + 16) - 3 = a(25 - 40 + 16) - 3 = a - 3
a = -6 + 3 = -3
Therefore, the coefficient of the squared expression is -3.