Algebra 2 Tutorial
Radical Equation
Intro
There are many kinds of equations out there in math. One of them is the radical equation. The radical is this, √, but this is actually a square root, but I will explain. Each of these equations has the same basic concept of trying to isolate the variable to try to make it equal. In this sample problem, I will make both sides equal.
Sample Problem
Solution
1. Subtract 3 from both sides.
√3x+4 +3=6
-3 -3
___________________
√3x+4 = 3
2. Square on both sides.
(√3x+4)^2=(3)^2
3x+4=9
3. Subtract 4 from both sides.
3x+4=9
-4 -4
_____________
3x=5
4. Divide 3 from both sides.
3x/3=5/3
x=5/3
5. Substitute x for 5/3.
√3(5/3)+4 +3=6
6. Solve out the equation to make both sides equal to 6.
√3(5/3)+4 +3=6
√15/3+4 +3=6
√5+4 +3=6
√9 +3=6
3+3=6
6=6
About The Author
| Math, Biology, And History Instructor |
| Hello. I am Kisung Yoon, and I am a senior in high school. I am currently in the ARISTA Honor Society, and I have tutored my fellow students from my school in Algebra I, Algebra 2, Global History, US History, and Biology. Not only that, I also tutored my younger sisters on the standardized tests mai... |
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