Survey

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Survey

Document related concepts

Eigenvalues and eigenvectors wikipedia , lookup

Signal-flow graph wikipedia , lookup

Quadratic equation wikipedia , lookup

Cubic function wikipedia , lookup

Quartic function wikipedia , lookup

System of linear equations wikipedia , lookup

System of polynomial equations wikipedia , lookup

Elementary algebra wikipedia , lookup

Transcript

Name: ____________________ 1. 2. 3. 4. 5. 6. WS 3-10 Day 2 Elimination Method Multiply all terms of one equation by a number to get an opposite term Add new equation from step 1 to other original equation not yet used Solve for variable Sub step 2 answer into an original equation Solve for other variable Check both x and y in both original equations 7x + 2y = 9 4x – 3y = -28 8x – 4y = -76 5x + 2y = -16 2x + 3y = 6 2x – 5y = 22 1. 2. 3. 4. 5. 6. Multiply all terms of one equation by a number to get an opposite term Add new equation from step 1 to other original equation not yet used Solve for variable Sub step 2 answer into an original equation Solve for other variable Check both x and y in both original equations 2x + y = 7 3x – 2y = 7 x–y =6 2x + 3y = 7 6x + y = 39 -2x + y = -17