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1. Simplify the expression: 4√18+5√32

A.45√2
B.32√2
C.116√2
D.9√50

2. Simplify the expression: 7√5-3√80
A.-5√5
B.-4√75
C.-5
D.4√-75

3. Simplify the expression: √21(√3+√14)
A.9√7-49√6
B.2√6+√35
C.3√7+7√6
D.√357

4.Simplified by rationalizing the denominator: 4/√10-√6
A.√10+√6
B.4
C.4√10+4√6
D.4√10-4√6/16-2√15

The think the answers is
1.D
2.C
3.D
4.C
But I'm not sure. Please correct me if I'm wrong and explain.

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30 answers

  1. 1. B
    2. A
    3. C
    4. A

    100% CORRECT!

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  2. 1.b 2.a 3.c 4.a

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  3. 100% ^^^^^ I'm passing with an A+ now openstudy )

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  4. Unit 5: Radical Expressions and Data Analysis
    Lesson 2: Operations with Radical Expressions
    Grade 10
    ---
    1. B, 32√2
    2. A, -5√5
    3. C, 3√7+7√6
    4. A, √10+√6

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  5. b-but when i see u, and u act like a BACA (1.B 2.A 3.C 4.A)

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  6. Jinx & ....... are 100% correct! Thanks! :D

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  7. 1. B
    2. A
    3. C
    4. A
    I got 4/4, 100%

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  8. sup peeps the answers are...
    B
    A
    C
    A
    Just did it got 100% for connexus!!!

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  9. I'm stuck on these can someone explain how to do them?

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  10. Jinx is correct ma doods

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  11. 1. B
    2. A
    3. C
    4. A

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  12. Can confirm Benneboo is right!
    1.B
    2.A
    3.C
    4.A

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  13. 1.B
    2.A
    3.C
    4.A

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  14. TWO

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  15. FOUR

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  16. why do people feel the need to spam this? one or two people put in the answers, upvote and be done. Especially when there are already 1-2-3 people who have said they are right, there is no need.

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  17. Thanks man 100%!

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  18. hes right peeps

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  19. thanks soo much everyone!! :3

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  20. SIX

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