Across
- 2. An alphabet that represents an unknown value/quantity
- 7. Equations that have two or more unknown variables
- 8. A method that can be used to solve system of equations
- 9. To make equal coefficients we use the math operation of
Down
- 1. A number multiplied by an unknown value/quantity
- 3. When magnitudes of coefficients are equal with unlike sign we must
- 4. The point at which two lines meet
- 5. To solve for a second variable we can _ the first known variable into one of the equation
- 6. When magnitudes of coefficients are equal with like sign we must