Pregunta
Find the zeros of the quadratic function using the square root method. What are the \( x \)-intercepts of the graph of the function? \( g(x)=(x-4)^{2}-25 \) Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) A. The zeros and the \( x \)-intercepts are different. The zeros are B. The zeros and the the x-intercepts are .
Ask by Chen Hilton. in the United States
Mar 01,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
The zeros and x-intercepts of the function \( g(x) = (x - 4)^2 - 25 \) are x = –1 and x = 9.
Solución
We're given g(x) = (x – 4)² – 25.
Step 1. Set the function equal to zero to find the zeros:
(x – 4)² – 25 = 0
Step 2. Add 25 to both sides:
(x – 4)² = 25
Step 3. Take the square root of both sides:
x – 4 = ±√25
x – 4 = ±5
Step 4. Solve for x:
x = 4 + 5 or x = 4 – 5
x = 9 or x = –1
The zeros of the function are x = –1 and x = 9, and because the zeros of a function are the x-intercepts of its graph, the x-intercepts are the same points.
Thus, the correct choice is:
B. The zeros and the x-intercepts are x = –1, 9.
Respondido por UpStudy AI y revisado por un tutor profesional
Como
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Beyond the Answer
To find the zeros of the quadratic function \( g(x) = (x - 4)^2 - 25 \), we can first set the function equal to zero: \[ (x - 4)^2 - 25 = 0 \] Next, add 25 to both sides: \[ (x - 4)^2 = 25 \] Now, we take the square root of both sides: \[ x - 4 = \pm 5 \] This gives us two equations to solve: 1. \( x - 4 = 5 \) leads to \( x = 9 \) 2. \( x - 4 = -5 \) leads to \( x = -1 \) Thus, the zeros of the function, which are also the \( x \)-intercepts of the graph, are \( x = 9 \) and \( x = -1 \). B. The zeros and the x-intercepts are 9, -1.
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