Determine Coordinates: Calculating Point C on f(x) = x² - 6x + 5

The following function has been graphed below:

f(x)=x26x+5 f(x)=x^2-6x+5

Calculate point C.

AAABBBCCC

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find the coordinates of point C
00:03 Point C is the intersection point with the Y-axis of the function
00:07 At the intersection point with Y-axis, X = 0
00:11 Substitute X=0 in the function and solve to find the Y value
00:30 This is the Y value at point C
00:38 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

The following function has been graphed below:

f(x)=x26x+5 f(x)=x^2-6x+5

Calculate point C.

AAABBBCCC

2

Step-by-step solution

We are required to find a particular point C on the graph of the function f(x)=x26x+5 f(x) = x^2 - 6x + 5 . Typically, important features of the graph include the vertex or y-intercept.

The function f(x)=x26x+5 f(x) = x^2 - 6x + 5 is a quadratic function in standard form, where a=1 a = 1 , b=6 b = -6 , and c=5 c = 5 . Since point C is labeled near the y-axis, it is likely related to the y-intercept. The y-intercept is found by evaluating the function at x=0 x = 0 .

Calculate the y-intercept by substituting x=0 x = 0 into the function:

  • Substitute: f(0)=(0)26(0)+5=5 f(0) = (0)^2 - 6(0) + 5 = 5

This gives the point on the y-axis where the function intersects, which is point C. Thus, point C is at the coordinates (0,5) (0, 5) .

This point matches choice 2 among the provided choices.

Therefore, the solution to the problem is (0,5) (0, 5) .

3

Final Answer

(0,5) (0,5)

Practice Quiz

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The following function has been graphed below:

\( f(x)=-x^2+5x+6 \)

Calculate points A and B.

BBBAAACCC

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