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

User Naveen Yedugani
by
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2 Answers

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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!
User Piyush Soni
by
6.5k points
0 votes

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

Explanation:

User Anton Styagun
by
5.9k points
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