Value of the expression
If x=4 and y=-3, what is the value of the expression x² + 2xy - 4x + 3y + y²?
Correct answer:
You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
- Substituting 3165
Determine the value of the expression by substituting for the variables a = 5, b = 2, x = 3, y = 1: k = 4ab + 1/2 ab - 14 l = x² + 2xy + y² m = 5b³ - 4b² - Three members
If 2a+2+a =17, what is the value of a? - Algebra
If x+y=5, find xy (find the product of x and y if x+y = 5) - Intersection 19343
What is the sum of all coordinates of points at the intersection of the line p: x = -1-2t, y = 5-4t, z = -3 + 6t, where t is a real number, with the coordinate planes xy and yz?
- If-then equation
If 1/2 + 2/5s = s - 3/4 What is the value of s? - Use AP sum formula
If x+3x+5x+7x+...+87x=5808, what is the value of x? - Expression 3350
Calculate the value of the expression x / y, if you know that (-4x + 3y) / y = 5 - Star equation
If 5/21 + 14/21 + ☆ = 1, then what is the value of ☆? - Z score transformation
Suppose a distribution has a mean µ = 8 and standard deviation σ = 4. What is the value of x if it is z = +1.50?
- Evaluate expr with 2 vars
If a=6 and x=2, find the value of (2ax + 7x- 10) /(4ax-3a-2) - Properties of eq2 roots
If p and q are the zeroes of the quadratic polynomial f(x) = 2x2 - 7x + 3, find the value of p + q - pq. - Simple coefficient
Find the value of k; if x = 3, y = 2 is a solution of the equation 2x + 3y = k. - Expression with powers
If x-1/x=5, find the value of x4+1/x4 - Evaluate 21
Evaluate 6xy for x=5 and y=2. We are evaluating algebraic expressions and the addition and subtraction of polynomials.
- Evaluate expression
Calculate the value of the expression z/3 - 2 z/9 + 1/6, for z = 2 - Evaluate 37
Evaluate the function K(x) = 2x²+3x-2 what is the value of K(½) - Variables: 3140
Determine the value of the expression 3a + 2b - a² - 4b² for the values of the variables: a) a = - 1, b = 3 b) a = 2, b = -1 c) a = -2, b = -3 d) a = 4, b = 2 e) a = -5, b = 0