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Aleksandr-060686 [28]
1 year ago
11

Which point is an x-intercept of the quadratic function f(x)=(x-8)(x-9)?

Mathematics
2 answers:
Nonamiya [84]1 year ago
8 0
The zeroes are (0,8) and (0,9)

Use the zero product property to find this
(x-8)=0
x=8

(x-9)=0
x=9
Nastasia [14]1 year ago
7 0

Answer:

The points are (8,0) and (9, 0)

Step-by-step explanation:

Given the function

f(x)=(x-8)(x-9)

we have to find the point which is an x-intercept of the quadratic function.

X-intercept is the x-coordinate of a point where a graph of function intersects the x-axis i.e the value of x at which the value of y is 0.

Hence, to find x-intercept we have to put the value of y=0 in f(x)

(x-8)(x-9)=0

Using zero product property

⇒ (x-8)=0\text{ or }(x-9)=0

x=8\text{ or }x=9

The points are (8,0) and (9, 0)

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