# Thread: Finding x-intercepts of trig. graphs

1. ## Finding x-intercepts of trig. graphs

DIRECTIONS:find the x-intercepts of the graph. Use a graphing utility to check your solutions.

y=sin pi*x / 2 +1

(sorry I don't know how to encorporate any of the math symbols)

there is a graph under that looked like this..

the textbook says the answers are -1, 3

Could anyone please help??
Thanks in advance!

2. Originally Posted by overduex
DIRECTIONS:find the x-intercepts of the graph. Use a graphing utility to check your solutions.

y=sin pi*x / 2 +1

(sorry I don't know how to encorporate any of the math symbols)

there is a graph under that looked like this..

the textbook says the answers are -1, 3

Could anyone please help??
Thanks in advance!
You look at the graph to find the x-intercepts
When you look at it, at what points does the curve intersect with 0?
x = -1 and 3

3. wow. I didn't realize it was so simple. THANKS!!

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### find trig graphs intercepts

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