Math review

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Across
  1. 2. / a design / 10
  2. 3. / time it takes to bcome half the initial amount / 15
  3. 7. / one of the sides of a right angle / 13
  4. 8. / a set of repeating number / 11
  5. 9. form or model / 5
  6. 10. /y=0/4
  7. 12. / the ratio is 1.618 / 9
  8. 15. / a 7 letter word for the most/1
Down
  1. 1. / midle value / 7
  2. 2. / the initail ivestment /12
  3. 4. / The final value/3
  4. 5. / y=ax2+bx+c/ 8
  5. 6. / the point where the pabola goes from decreasing to increasing /14
  6. 11. model / a model to scale
  7. 13. / the difference between greatest and lest /6
  8. 14. of symmerty / vertical line that passes through the vertex and parbola/2