SOLUTION: The directions say to solve using the quadratic formula. Round to the nearest tenth if necessary.
The problem is written as follows:
{{{x^2-25=0}}}
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Question 180567This question is from textbook Algebra I
: The directions say to solve using the quadratic formula. Round to the nearest tenth if necessary.
The problem is written as follows:
This question is from textbook Algebra I
Found 2 solutions by nerdybill, mgmoeab:
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
When solving a quadratic, always try to factor first -- only if you can't should you resort to the quadratic formula.
.
Factoring:
.
x = {-5, 5}
Answer by mgmoeab(37) (Show Source): You can put this solution on YOUR website!
IN THIS CASE
a= 1
b= 0
c= -25
---
USING
WE HAVE
Whixh gives you the values of
x = -5 and x = 5
There's is no need to round in this case
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