ashleyb
What are the x– and y–intercepts of the graph of y = x^2 + x – 6?



This Question is Closed

waterineyes
Best Response
You've already chosen the best response.
1
For finding x intercept, Put y = 0
And for finding y intercept, Put x = 0..

waterineyes
Best Response
You've already chosen the best response.
1
So:
for finding x intercept you will put y = 0 that is:
\[x^2 + x  6 = 0\]
Try to factor this equation and you will get two values of x..

waterineyes
Best Response
You've already chosen the best response.
1
Tell me what is your factors to this equation??

waterineyes
Best Response
You've already chosen the best response.
1
*are

ashleyb
Best Response
You've already chosen the best response.
0
to factor it i would fing two numbers that multiply to 6 and add to 0?

waterineyes
Best Response
You've already chosen the best response.
1
Add to 1..

ashleyb
Best Response
You've already chosen the best response.
0
okay

waterineyes
Best Response
You've already chosen the best response.
1
Solving or not??

ashleyb
Best Response
You've already chosen the best response.
0
2 and 3 are my factors

waterineyes
Best Response
You've already chosen the best response.
1
Then you are pretty correct in this..

waterineyes
Best Response
You've already chosen the best response.
1
So is this right?
\[(x+3)(x2) = 0\]

ashleyb
Best Response
You've already chosen the best response.
0
okay so those are my x and y factors?

waterineyes
Best Response
You've already chosen the best response.
1
No these are only for x we will find y somewhat later..

ashleyb
Best Response
You've already chosen the best response.
0
okay...can u show me the steps for finding y?

waterineyes
Best Response
You've already chosen the best response.
1
For finding y, put x = 0 in your original equation..

ashleyb
Best Response
You've already chosen the best response.
0
okay so y=0^2+06?

waterineyes
Best Response
You've already chosen the best response.
1
Yes go ahead so what did you get for y ??

ashleyb
Best Response
You've already chosen the best response.
0
6?

waterineyes
Best Response
You've already chosen the best response.
1
So true..

ashleyb
Best Response
You've already chosen the best response.
0
thankyou so much!!! I was having alot of trouble with this!

waterineyes
Best Response
You've already chosen the best response.
1
Welcome dear..