SOLUTION: 1) Solve the following equations. sqrt x-1=3 a) Answer: Show work in this space. b) sqrt x^3=8 . Answer: Show work in this space. c) 3 sqrt x^2=

Question 73009: 1) Solve the following equations. sqrt x-1=3
a)
Answer:
Show work in this space.

b) sqrt x^3=8 .
Answer:
Show work in this space.

c) 3 sqrt x^2=4 .
Answer:
Show work in this space.

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
a)
I'm assuming it looks like this
Square both sides, this undoes the square root.
Solve for x

Check:

Works

b)

Square both sides

Take cube root of both sides. Note: is the cube root of x

Check:

Works

c)

Divide by 3
Square both sides
Simplify the right side
Take the square root of both sides and solve
Check:

Works
Hope that helps.

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