Pregunta
- find the x -intercept about
Ask by Coles Dickson. in the United Arab Emirates
Jan 24,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
函数
的 x 截距是
和
。
Solución
要找到函数
的 x 截距,需令
并解方程:
使用求根公式:
其中,
,
,
。
首先计算判别式:
然后代入公式求解:
得到两个解:
因此,函数
的 x 截距为:
Respondido por UpStudy AI y revisado por un tutor profesional
Como
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Extra Insights
To find the x-intercept of the equation
, set
. This gives us the equation
. Using the quadratic formula
with
, we find the square root discriminant to be
. Plugging this into the formula yields the x-intercepts as
, giving us
and
.
Picture this: We’re not just finding a couple of points on a graph; we’re uncovering where our quadratic curve meets the x-axis! These intercepts (1 and -4) tell you exactly where the function goes from positive to negative or vice versa. It’s like the magic crossover moment of a thrilling sports match, where the ball lands just inside the line!
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