tovarjr2015
tovarjr2015 tovarjr2015
  • 23-06-2019
  • Mathematics
contestada

What are the x-intercepts of the graph of the function f(x) = x2 + 5x − 36?

Respuesta :

Danielle55A Danielle55A
  • 23-06-2019

Answer:(4,0) and (-9,0)

Step-by-step explanation:

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hienh4517 hienh4517
  • 24-06-2019
Factor x^2 + 5x -36

Find two numbers their product will be -36 when you add those two numbers together your sum will be 5

-4(9) = -36
-4 + 9 = 5

So

(X-4)(x+9)

X-4= 0
X= 4


X+9=0
X= -9

The x-intercept are (4,0) and (-9,0)


Hope this helps!
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