Monday
July 28, 2014

Homework Help: Math 8th Grade

Posted by Lana Von Monroe on Tuesday, April 10, 2012 at 10:43pm.

The chart below shows an expression evaluated for four different
values of x

x: x2+x+5:
1 7
2 11
6 47
7 61

Josiah concluded that for all positive values of x, x2+x+5 produces a prime number. Which value of x serves as a counterexample to prove Josiah’s conclusion false?

A: 5
B: 11
C: 16
D: 21

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

7th grade - Site #3: What in the World - Mystery Photos (from National ...
8th grade Math - " four less than twice a number is greater than six " Can ...
Math Statistics - The table below shows Rico’s grades during the third term in ...
math - translate the phrase into a mathematical expression and then evaluate it...
8th grade math - my project is to complete the October calendar, using the ...
Math - Journal 5. Look at the hundred chart. One number is wrong. Cross out that...
8th grade math - is this expression correct? Question: translate 14 increased by...
8th grade Math - I'm actually in 7th grade, but I'm doing 8th grade pre-algebra...
Algebra II - I don't exactly understand what needs to be done in this problem. ...
8th Grade Math - Draw and label a rectangle whose area is represented by the ...

Search
Members