Posted by ciara on Wednesday, April 2, 2014 at 12:10am.
simplify: 6sqrt7sqrt7
A. 6 sqrt7
B. 5 sqrt 7
C. 5
D. 6
Simplify: 2sqrt12+ sqrt3
A.5sqrt3
B. 3sqrt3
C. 2sqrt15
D. 3sqrt15
Need help on these please

algebra  Tirne, Wednesday, April 2, 2014 at 12:20am
1) B .. Because since they're both sqrt7 base, you can just subtract them.
2) A .. You have to simplify sqrt12 to sqrt4 times sqrt3, so you will get 2(2)(sqrt3) + sqrt3 .. which will turn into 4sqrt3 + sqrt3. Since they're the same base again, it will be 5sqrt3.

algebra  ciara, Wednesday, April 2, 2014 at 12:25am
thank you for your help :)
Answer This Question
Related Questions
 to bobpursley,math,correction  (sqrt3 + 5)(sqrt3 3) ? multiply that out sqrt3*...
 math, algebra,correction  I don't know if this is right. directions: Simplify ...
 Math(Please check answer)  Simplify each expression. 1)(sqrt7 + 5)(sqrt7 6) My...
 math b  Combine the radicals sqrt 72 + sqrt 18 6sqrt7  4sqrt7 Multiply & ...
 Algebra 1 Part2  Simplify the radical expressions: (1).sqrt75+sqrt3 (2).sqrt7(...
 Algebra 1 Part 2  Simplify the radical expressions: (1).sqrt75+sqrt3. (2).sqrt7...
 Algebra 2  1. Simplify: sqrt6(sqrt2/2+sqrt3)sqrt8 2. Simplify: sqrt(72x^3)5x ...
 Algebra  Rationalize numerator. ((sqrt7)3/4)(sqrt7+3/sqrt7+3) I got that the ...
 ALGEBRA 1  CAN SOMEONE PLEASE CHECK TO SEE IF I HAVE DONE THESE CORRECTLY. ...
 Algebra II  I need help in multiplying two square roots. (5*sqrt710*sqrt2)(4*...
More Related Questions