Answer:
The standard equation is y=ax^2+bx+k and the vertex way is y=a(x-h)(x-h)+x
so the coordinate for x is -b/2a, for your problem a=-4 b=-16 so the coordinate for x is -(-16)/(2*(-4))=-2. Now you have to replace x=-2 in your equation y=-4(-2)^2-16(-2)-11= 5.
The vertex is (-2, 5)
Step-by-step explanation:
Answer:
1 3/8 in one week
Step-by-step explanation:
Multiply by 2
5 - 2x = 6x
Add 2x
5 = 8x
Divide by 8
x = 5/8
Answer:
5
Step-by-step explanation:
cause the slope is going backwards