SOLUTION: I took a pre-test but I have no answer sheet was just wondering if I've done these right or not! Thanks for your time, I appreciate it!
Simplify:
1: √9√4
Algebra.Com
Question 398020: I took a pre-test but I have no answer sheet was just wondering if I've done these right or not! Thanks for your time, I appreciate it!
Simplify:
1: √9√4 My answer: 6
2: √56/√8 My answer: √7
3: √9ab^4 My answer: 3b^2√a
4: √50x^2 My answer: 5|x|√2
5: √100y^2z^4 My answer: 10yz^2
6: 2√5+2√5 My answer: 4√5
7: 6√7-√7 My answer: 5√7
8: -3√2+2√2 My answer: -√2
9: 2√7+3√7+√7 My answer: 6√7
Solve the equation:
10: √x=9 My answer: x=81
11: √z=-1 My answer: no solution
12: √2a=2 My answer: a=2
13: p=√2p-1 My answer: p=1
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1: √9√4 My answer: 6
2: √56/√8 My answer: √7
3: √9ab^4 My answer: 3b^2√a
4: √50x^2 My answer: 5|x|√2
=
Maybe that's what you meant.
5: √100y^2z^4 My answer: 10yz^2
6: 2√5+2√5 My answer: 4√5
7: 6√7-√7 My answer: 5√7
8: -3√2+2√2 My answer: -√2
9: 2√7+3√7+√7 My answer: 6√7
Solve the equation:
10: √x=9 My answer: x=81
11: √z=-1 My answer: no solution
z = 1. Sqrt(z) = ± 1
12: √2a=2 My answer: a=2
13: p=√2p-1 My answer: p=1
It's ambiguous. What's under the radical?
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