how do I solve this equation, y*y=40

Using the square formulas

in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

y*y = 40
y^2 = 40
y = sqrt(40) or y = -sqrt(40)
y = sqrt(4 * 10) or y = -sqrt(4 * 10)
y = sqrt(4)sqrt(10) or y = -sqrt(4)sqrt(10)
y = 2sqrt(10) or y = -2sqrt(10)
by

Related questions

1 answer
8k-40=2(1+7k) how do I solve this equation?
asked Nov 2, 2012 in Algebra 1 Answers by anonymous | 761 views
1 answer
How do you solve this equation for y? 40=3y-4+2y-1
asked Aug 27, 2013 in Geometry Answers by pieeeee | 634 views
1 answer
How do you solve this equation 7(x+5)=-3/4(8x+40)?
asked Nov 21, 2011 in Algebra 2 Answers by anonymous | 633 views
1 answer
q''+9q'+81q=14.40, how to solve this equation?
asked Apr 4, 2016 in Calculus Answers by ANIBRATA PAL | 1.1k views
1 answer
how do i solve Q=40,000-500P
asked Mar 8, 2019 in Algebra 1 Answers by Lisa | 397 views
0 answers
How do I solve 40-5n=-2
asked Jun 12, 2012 in Pre-Algebra Answers by anonymous | 699 views
1 answer
how do i solve b^2+6b-40
asked May 3, 2012 in Algebra 2 Answers by anonymous | 746 views
2 answers
How do I solve 3/4m=40
asked Jan 14, 2012 in Algebra 1 Answers by anonymous | 888 views
1 answer
how do i solve 5(x+6)< 40
asked Jan 11, 2012 in Algebra 1 Answers by anonymous | 589 views
2 answers
how do i find the missing digit in the problem ( _7 x 40 = 680)
asked Nov 14, 2013 in Trigonometry Answers by anonymous | 648 views
1 answer
how do i calculate the sample mean for 40.23 and 37.07
asked Jul 28, 2013 in Statistics Answers by anonymous | 624 views
1 answer
if 0.8 of my money is 40, how much do i have
asked Apr 2, 2013 in Word Problem Answers by anonymous | 1.3k views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. complete the following. 825 use each digit once .make the two smallest 3 digit numbers and two largest 3-digit number (2)
  4. Solve 15 -1(12÷4+1)? (4)
  5. 8:4(5+2) (3)

Most popular tags

87,544 questions
99,732 answers
2,417 comments
482,897 users