Answer:

With the vertex 
We see that b = -10 and a = 2 and then the vertes wuld be:

And the best option is:
b. (-10,2)
Step-by-step explanation:
For this problem we have the following function:

And if we compare this expression with the general expression for a parabola given by:

With the vertex 
We see that b = -10 and a = 2 and then the vertes wuld be:

And the best option is:
b. (-10,2)
Answer:
70 decreased by 20% = 56
Absolute change (actual difference):
56 - 70 = - 14
Step-by-step explanation:
Use photo math app it answer any math problem
Answer: 28
Step-by-step explanation: