Algebra 1

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Across
  1. 2. the vertical axis on a coordinate plane
  2. 5. Please Excuse My Dear Aunt Sally
  3. 9. ax+by=c
  4. 10. the point (0,0)
  5. 11. a mathematical sentence with an equal sign
  6. 12. the relationship between an input and output
Down
  1. 1. the horizontal line on a coordinate plane
  2. 3. y=mx+b
  3. 4. an equation without the equal sign
  4. 6. the answer when subtracting
  5. 7. the answer when adding
  6. 8. the symbol used to represent unknown numbers and values