ANSWER
Vertex form;

Vertex

EXPLANATION
Given:

We complete the square as follows:


The vertex form is:

The vertex is

Answer: 2450 min or 40hr and 50 min
Step-by-step explanation:
We can use a proportion to set up this equation.

We cross muliply so get our equation.



It took Mike 2450 min to read 1225 pages. We can also use a proportion to write this in hours



Answer:
6.19
Step-by-step explanation:
37.14/6 =6.19
So in the equation you substitute. The x to find y . Like u pick a point. For example :
Y=-4x+3
Y=-4(-2)+3
Y= 8+3
Y=11
This is your first point your guess number here would be -2 for x and your answer us y so will be 11. (-2,11). Table will be -2,11
-1, 7
0,3
1,-1
2,-5