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Write the quadratic equation from the graph

Write the quadratic equation from the graph-example-1
User CyberBoy
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1 Answer

6 votes

The equation of the quadratic function represented by the graph is f(x) = (x - 1)² + 1

How to determine the equation of the quadratic function

From the question, we have the following parameters that can be used in our computation:

The graph of the quadratic function

Where, we have

No zeros

Vertex at, (h, k) = (1, 1)

The equation of the quadratic function is represented as

f(x) = a(x - h)² + k

Substitute the known values into the equation

f(x) = a(x - 1)² + 1

Using the points on the graph, we have

a(3 - 1)² + 1 = 5

4a = 4

a = 1

So, we have

f(x) = (x - 1)² + 1

Hence, the equation of the quadratic function is f(x) = (x - 1)² + 1

User Bob M
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