WebMay 1, 2024 · Answer. Example 2.3.6: evaluate. Evaluate 2x2 + 3x + 8 when x = 4. Solution. We need to be careful when an expression has a variable with an exponent. In this expression, 2x2 means 2 • x • x and is different from the expression (2x)2, which means 2x • 2x. 2x2 + 3x + 8. Substitute 4 for each x. 2(4)2 + 3(4) + 8. WebTo simplify an expression with fractions find a common denominator and then combine the numerators. If the numerator and denominator of the resulting fraction are both divisible by the same number, simplify the fraction by dividing both by that number. Simplify any resulting mixed numbers.
Simplify (x-9y)^2 Mathway
WebEvaluate the expression 2x for x=3. How to Evaluate the Expression in Algebra Calculator First go to the Algebra Calculator main page. Type the following: First type the … WebSolve an equation, inequality or a system. Example: 2x-1=y,2y+3=x. 1: 2: 3: 4: 5: 6: 7: 8: 9: 0., < > ≤: ≥ ^ √: ⬅: : F _ ÷ (* / ⌫ A: ↻: x: y = +-G gap affidavit and indemnity
Graph y=(x-3)^2 Mathway
WebMath 209 Assignment 11 — Solutions 2 where V = πa2b/4 is the volume of D, and ¯y = b/2 is the y-coordinate of the centroid of D.The final result is ZZ S → F ·→n dS = ZZ Stot → F · →n tot dS − πa2b2 4 = 2V + 2Vy¯− 2 b2 4 = 2 2. 3. Using the divergence theorem, evaluate WebMay 19, 2024 · A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements. Given, 14 - (2x - y) to obtain the value of the expression when x = 3 and y = 2 we'll imply replace the numerical values of x and y which is, = 14 - (2 (3) - 2). = 14 - 6 + 2. WebMar 21, 2024 · Evaluate 9x2y-2 for x = 3 and y = 2. New answers Rating 8 marie2061 9x^2y 2 for x = –3 and y = 2 9 * (-3)^2 *2 2 = 9 * 9 * 2 - 2 = 162 -2 = 160 Log in for more … gap adventures essential india