1. | Without graphing, decide whether the system has one solution, no solution, or infinitely many solutions.y = –3x + 4y = 3x + 8 |
2. | Solve by elimination.5x + 8y = –297x – 2y = –67 |
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3. | Which system has infinitely many solutions? |
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Which graphing calculator screen shows the solution of the system?y = –x + 3y = 6x – 5 |
5. | Simplify |
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6. | Simplify –4x^{3} • 2y^{–2} • 5y^{5} • x^{–8} |
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7. | Write with only one exponent. |
8. | Chase got better at a new video game. He scored 12 points on Monday, and he doubled his score each day thereafter. How many points did he score on Sunday? |
9. | Simplify –3x^{2}(6x^{3} + 2x) |
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10. | Write 10^{–5} as a decimal |
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11. | Simplify 0.7(2.8 × 10^{6}). Write the answer using scientific notation. |
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12. | Solve the system using substitution.3g + 2h = 7h = –3g + 11 |
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13. | Simplify 7^{–2}. |
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14. | . Simplify (2.3 × 10^{–5})(1.4 × 10^{–6}) |
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15. | Evaluate b^{–3} for b = 3 |
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16. | Simplify –6^{–3} |
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17. | Simplify . Write the answer in scientific notation. |
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18. | Which list has the numbers in order from least to greatest? |
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19. | Simplify d^{2}(d^{4})^{5} |
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20. | Simplify (j^{5})^{6} |
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21. | Simplify (11p^{4})^{–2} |
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22. | Which ordered pair is a solution of the system?–2x – 4y = 26x – 6y = 48 |
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23. | Simplify (0.4 × 10^{–6})(0.7 × 10^{–2}). Write the answer in scientific notation. |
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24. | Simplify (–)^{–3} |
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25. | Write 2 • 10^{–3} as a decimal |
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26. | Simplify (2cd^{2})^{3}(cd)^{6} |
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27. | Simplify 4^{–6} • 4^{0} |
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28. | Simplify (–k^{2})^{3}. |
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29. | Evaluate for x = –3 and y = 2. |
30. | Simplify 5(2.7 × 10^{–4}). Write the answer using scientific notation. |
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31. | Which number is written in scientific notation? |
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