Answer:
y = 7
Step-by-step explanation:
Solve for y:
7/y = 1
Take the reciprocal of both sides:
y/7 = 1
Multiply both sides by 7:
Answer: y = 7
The standard equation of a parabola is:
(y-k) = a(x - h)² , where h and k are the coordinates of the Vertex
Since the vertex is ( - 5 , -7), then :
(y +7) = a (x + 5)².
It's given that the vertex is a minimum, that means the coefficient a>0 and the parabola is open upward.
Depending on the value of a (always a>0) , the equation :
y = a(x-5)² + 7 is a parabola
Range show how low and high the data is and thus shows the variability.