Posted by Lina on Thursday, January 13, 2011 at 6:11pm.
Hi I need help with my math problem. It is:
Name the function rule from the table given.
y = -x
y = -4
y = 2x
y = x
I do not get how to solve this problem!
- 8th grade Math - Lina, Thursday, January 13, 2011 at 6:12pm
Also please do NOT tell me the answer but show me how to solve it. Thanks everybody!
- 8th grade Math - helper, Thursday, January 13, 2011 at 6:23pm
look at the first entry in the table
if x = - 4, y = 4
now look at each rule
1st rule says,
that y = -x ( y equals the neg of x)
2nd rule says,
y = -4 (the value for y is -4)
3rd rule says
y = 2x (y is two times the value of x)
y = x (y and x are the same)
since if x = - 4, y = 4 (1st entry)
the rule would be
y = -x
do you understand?
look at the other entries in the table and see how they all follow this rule
- 8th grade Math - Lina, Friday, January 14, 2011 at 6:17pm
- 8th grade Math - Katie, Monday, January 17, 2011 at 11:18pm
I need help finding heighth of a pyramid.
- 8th grade Math - Jordan, Tuesday, January 25, 2011 at 8:37pm
You divide by -1
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