math

How would I come about to the solution and what the answers to the question so I can help my son with his school work?

1.Check all the answers that are square roots of 36

a. 36^1/2
b.-(36)^1/2
c.9
d.6
e.-6
f. √36

2.)Which answers are equal to the expression 2 x √9

a.√18
b.18
c.6
d.-6
e.36
f.√36

3.)Which answers are equal to the expression √9 / √36

a. 3/6
b.√9/36
c.√1 / √4
d.4
e.√1/4
f.1/2

5.)Which answers are equal to the expression √16 x √25

a.√41
b.√16 x 25
c.(16 x 25)^1/2
d.20
e.400
f.√25 x √16

asked by James
  1. The sure way is to do them backwards and see how they come out.
    For example:

    -(36)^(1/2) * -(36)^1/2 = + 36^1 so yes

    -6 * -6 = +36 so yes

    9*9 = 81 so no

    posted by Damon

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Algebra

    I have a few questions that I need help with. Solve the radical equation, and check all proposed solutions. 5. x- square root 3x-2=4 I don't understand this problem. Solve and check the equation. 10. (x^2+14x+49)^3/4-20=7 would I
  2. math

    I asked sue a question yesterday and don't understand the answer can you explain? Here what it was I think this question has a typo because none of the multiple choice answers fit. The question is which of the following values is
  3. Math, Can someone check my answers?

    Can someone please check my answers? Tell whether the given equation has the ordered pair as a solution. 11. y = 6x;(3,16) 13. y = -4x; (-2,8) 15. y = x - 3/4; (2,1 1/4) Answers: 11. Not a solution 13. Has a solution 15. Has a
  4. Math check answers please

    Sorry to bug again but can someone check my answers please thank you. 1. Simplify the expression 3w-10w A. 13w B. -7w C. -7 D. 7w 2. Y+2y+3z A. 2y+3z B. 3y+3z C. 2y^2+3z D. 6yz 3. 6r+r-5r A. 2r B. 1r+r C. 0r D. 7r-5r 4. 5x+2(x+6)
  5. Please check-Reiny

    Could you check these two problems? 3sqrt (y+2) = 3 is y = 25 Answers were: true or false I said true because I did it like this Square both sides=y + 2 = 3^3 y+2 = 27 y = 25 and sqrt (2y-6) = 3-y for y answes are: no solution 5
  6. ALGEBRA CHECK ANSWERS

    Solve each equation by graphing the related function. If the equation has no real-number solution, write no solution. NOTE: when I write + it has a minus on the bottom too x^2+7=0 a. x= +7 b. x = +3.5 c. x= 0 d. no solution ***
  7. algerbra

    could you please double check my work question:find the roots of the equation 2x^2+8x=12 by completing the square. leave answer in simplest radical form. work and answer: c=(b/2)^2 c(4/2)^2=4 2x^2 +8x=12 divide everything by 2 x^2
  8. Math HELP

    I have my answers at the bottom but please do these questions so I can check my answers. Check my answers as well. Subtract these fractions. !Reduce them! 1. 5/7 - 3/10= 2. 11/18 - 5/12= 3. 1/3 - 1/6= 4. 7/12 - 1/16= 5. 7/8 -
  9. Math Check

    Hi! Can someone check these two answers? Thanks! Directions: Find the correct number of solutions for the following system of equations. 1.) 5x - 3y + 2z = 3 2x + 4y-z = 7 x - 11y + 4z = 3 2.) 2x + y- 3z = 4 4x + 2z = 10 -2x + 3y
  10. Calculus (pleas help I really need to check this)

    Assume that each of the follwing functions gives the position of an object at time t. Find the velocities indicated by setting up and evaluating a limt algebraically. (a) s(t) = 3t^2, Find v(-1). (b) s(t) = 1/t , Find v(2). (c)

More Similar Questions