Posted by lizzie on Saturday, August 6, 2011 at 8:58pm.
1. none of the given answers is correct
2. can't make out your typing
3. 5x 3 = 13
5x = 10
x = 2
5. |x-3| >8
x-3 > 8 or -x + 3 > 8
x > 11 or x < -5
7. your point doesn't satisfy your equation, you should have realized that by substituting it back in.
equation is y = 2x + b
plug in the given point (5,5)
5 = 10 + b
b = -5 , so ......... y = 2x - 5can't make out your typing
8. can't make out your typing
9. your answer should be +9 , not -9
11. 2x + 5 > -1
2x > -6
x > -3 , so none of the ones given
Find the value of x^3+¡¼2x¡½^2-3 when x =3.
I don't know how to type x to the 3rd power it keeps putting a little triangle there. How do I do this? When I type it here or in word it does the same thing. Help!
Typing here is done using the HTML codes. They are NOT the same as in Microsoft Word. If you copy and paste Microsoft Word documents, be sure that symbols show up correctly before and after you have sent your post.
x^3 means x to the third power, or you can type it as x³, or :
x & s u p 3 ;
but without the spaces between the characters.
What we do not understand are:
¡¼ and ¡½, do they actually mean ( and )?
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