Answer: y = -14/9(x + 4)^2 + 7
Step-by-step explanation:
The given roots of the quadratic function is (-1, -7)
The vertex is at (-4, 7)
The formula is
y = a(x - h)^2 + k
The vertex is (h, k)
Comparing with the given vertex, (-4, 7), h = -4 and k = 7
Substituting into the formula
y = a(x - h)^2 + k, it becomes
y = a(x - - 4)^2 + 7
y = a(x + 4)^2 + 7
From the roots given (-1, -7)
x = -1 and y = -7
Substituting x = -1 and y = -7 into the equation,
y = a(x + 4)^2 + 7, it becomes
-7 = a(-1+4)^2 + 7
-7 = a(3^2 ) + 7
- 7 = 9a + 7
-7-7 = 9a
9a = -14
a = -14/9
Substituting a = - 14/9 into the equation, it becomes
y = -14/9(x + 4)^2 + 7
Answer:
11+6=17
Step-by-step explanation:
Answer:
Yes
No
Yes
and
Yes
Step-by-step explanation:
Sorry if im wrong Happy Holidays
Answer:
It is easy you just add all of the up and the answer will give you 20 so your answer will be 20
Step-by-step explanation:
ad 2+3+4+5+6 = 20
Answer:
incorrect
2 1/2 divided by 3/4
2 1/2 divided by 3/8 = 6 2/3
6
hope that helped i checked it over im positive its correct
