Algebra
If x+y=5, find xy (find the product of x and y if x+y = 5)
Correct answer:

Showing 2 comments:
Tips for related online calculators
Are you looking for help with calculating roots of a quadratic equation?
You need to know the following knowledge to solve this word math problem:
algebraGrade of the word problem
Related math problems and questions:
- X and Y
X and Y are positive integers. If X+Y+XY=32, what is the difference between X and Y?
- System 2xy
Solve the system: (x + 5) (y-2) = (x-1) (y + 1) (x + 1) (y + 1) = (x + 5) (y-1)
- The product of the roots
Find the product and the sum of the roots of x² + 3x - 9 = 0
- Value of the expression
If x=4 and y=-3, what is the value of the expression x² + 2xy - 4x + 3y + y²?
- Matrices 2
Suppose A=(1 6 3 −2) B=(4 −3 −4 3) find 2A+3B
- Evaluate 21
Evaluate 6xy for x=5 and y=2. We are evaluating algebraic expressions and the addition and subtraction of polynomials.
- Parallel and orthogonal
I need math help in this problem: a=(-5, 5 3) b=(-2,-4,-5) (they are vectors) Decompose the vector b into b=v+w where v is parallel to a and w is orthogonal to a, find v and w