The first number is 20
The second is 40
The third is 70
the first number = a
The second number = 2a
The third number = 3 1/2a
6 1/2a = 130
a = 20
Hope this helps!
Answer:
The vertex of the quadratic equation is the point (4,2)
Step-by-step explanation:
we know that
The figure show a vertical parabola open downward
The vertex represent the maximum point of the graph
Looking at the graph
The maximum point of the graph is (4,2)
therefore
The vertex of the quadratic equation is the point (4,2)
see the attached figure to better understand the problem
Answer:
0
Step-by-step explanation:
There is no x, therefore there is no slope.