Question

Help with PRE ALGEBRA problem:

Find the x-intercept and the y-intercept for the graph of each equation.

y = x - 1

Answer 1

x intercept: when y is 0. 0=x-1
y intercept: when x is 0. y=0-1

Answer 2

How did you get that? Sorry I forgot my notes at school. :(

Answer 3

It is a rule

Answer 4

I tried it and I got (1, 0 ) and ( 0 , -1 )

Answer 5

Is that right @hedyeh99 ?

Answer 6

Yes :)

Answer 7

Yay! Can you help me with the next one? It's a bit harder

Answer 8

Ok :)

Answer 9

X = 9

Answer 10

@hedyeh99

Answer 11

What is the question?

Answer 12

It just says x = 9

I got ( 0 , 9 ) for the x int
and then none for y int

Answer 13

It is going to be actually (9,0) for the x intercept

Answer 14

Because when x is 9, y is 0

Answer 15

Ohhh

Answer 16

Yup :)

Answer 17

Could you help with a few more? Sorry IM bad at this

Answer 18

It's ok, I'll help you

Answer 19

y + 4 = 0

Answer 20

Now, this one has an x and y intercept

Answer 21

I'll show you a site
http://www.wolframalpha.com/input/?i=y%2B4%3D0
It shows where the equation meets with the x and y axis so you can tell your x and y coordinates

Answer 22

But I have to show work

Answer 23

@hedyeh99 I dont' understand :(

Answer 24

It is confusing
http://www.algebralab.org/lessons/lesson.aspx?file=algebra_lineareqintercepts.xml
this might help