Write an expression for 213 increased by d:
Probability of heads or tails is .5
so you do (.5)^3 and you get D = 0.125
ANSWER
Vertex form:
Vertex
V(-4,-11)
EXPLANATION
The given expression is
We complete the square to get the vertex form.
Add and subtract half the square of the coefficient of x.
The vertex is
V(-4,-11)
Answer:
x intercept (4,0) and (5,0)
y intercept (0,20)