What is the y-intercept of the quadratic function f(x) = (x – 6)(x – 2)? (0,–6) (0,12) (–8,0) (2,0)
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Answers
Answer:
The x-intercepts are the points at which the parabola crosses the x-axis. If they exist, the x-intercepts represent the zeros, or roots, of the quadratic function, the values of x at which y=0 . There may be zero, one, or two x -intercepts. ... The solutions to the equation are called the roots of the function.
Given : f(x) = (x – 6)(x -2)
To find : y-intercept of the quadratic function
(0,–6)
(0,12)
(–8,0)
(2,0)
Solution:
f(x) = (x – 6)(x -2)
y intercept where function cut y axis
hence x = 0
f(0) is y intercept
f(0) = (0 - 6)(0 - 2)
=(-6)(-2)
=12
y intercept is (0 ,12)
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