Step-by-step explanation:
Let the width=x
Length =6x-4
As we know that in a rectangle
- Here a=6, b=-4, c=-20.
- use quadratic formula
1 would be D.
2. Is A since 3^2=9 and -3^2=9 And 9-9=0. Im pretty sure A. For number 3. Just because the two x-values are 3 and -3. I’m sorry if I’m wrong on #3.
Answer:
When t = 4
Step-by-step explanation:
The phone will hit the ground when h = 0.
However, as time cannot be negative, we know the answer is when t = 4.
This is the graph for the equation, it crosses through points (0,-8) (-2,4) (-1.6,0) and its vertex is (-2,2)
Hope this helps !!