Choose the value for x that makes the open sentence true.
7 + 6 • x = 4 to the second power + x to the second power
5
4
3
2

Question

Choose the value for x that makes the open sentence true. 
7 + 6 • x = 4 to the second power + x to the second power
       5
        4
        3
        2

anonymous · Answer

i did work for them all and got answers but none of them math im stuck :(

anonymous · Answer

match*

ivettef365 · Answer

are you sure the problem is written correctly ?

anonymous · Answer

oops hold

anonymous · Answer

its 4 to the second power and x to the second power

anonymous · Answer

Thanks!

austinl · Answer

$\large{7+6x=4^2+x^2}$

austinl · Answer

And that is incorrect.

ivettef365 · Answer

ok try to substitute the x for each number to see which one is true

jamierox4ev3r · Answer

@zkrup please do not provide answers, it is against protocol !! read this: http://openstudy.com/code-of-conduct

austinl · Answer

Get all of the values onto one side of the equality.
$\large{x^2-6x+9=0}$

austinl · Answer

And then you need to factor.

ivettef365 · Answer

first try 5 and you have

7 + 6*5 =  4^2 + 5^2
7 + 30 = 16  + 25
   37 = 41   not true

try the other numbers

austinl · Answer

@ivettef365 
A better way than guess and check is a mathematical method.

anonymous · Answer

thanks to everyone