Math and Arithmetic
Algebra
Calculus

# What are the values of x and y when x minus y equals 0 and x squared plus y squared equals 18?

345

###### 2011-11-24 13:21:38

(x, y) = (-3, -3) or (3, 3)

๐
0
๐คจ
0
๐ฎ
0
๐
0

## Related Questions

it is 2 squared minus 6 plus 2 minus 1 plus 0 equals

sqrt(4a2) = 21plus or minus (2a) = 21plus or minus (a) = 10.5a = +10.5a = -10.5

2222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222

Four squared plus 188,898 minus 17,798 plus 188,898 = 360,014

x equals negative b plus or minus the square root of b squared minus 4bc over 2a

Draw the graph of negative X squared plus 5 minus X cubed and find the values of x where it intersects the x axis.

It is a quadratic equation in X, with two real roots.

a2 + 62 = 122 a2 + 62 - 62 = 122 - 62 a2 = 144 - 36 a2 = 108 taking the square root of each side, we get a equal plus or minus the square root of 108, or plus or minus 6 times the square root of 3.

9x squared plus 16 = 0 factored is plus and minus 4/3 i.

Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.

there has to be more to the question is there a way you can tell what the equation equals

It can be solved by using the quadratic equation formula.

It is a quadratic equation and its solutions are: x = 4 or x = -9

###### Factoring and MultiplesMath and ArithmeticGeometryAlgebra

Copyright ยฉ 2020 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.