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1. |
EASY
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Evaluate \(x+2\) for \(x=7\).
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2. |
EASY
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Evaluate \(5t\) for \(t=4\).
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3. |
EASY
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Evaluate \(12-a\) for \(a=-65\).
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4. |
EASY
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Evaluate \(\frac{4}{3}g\) for \(g=4\).
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5. |
EASY
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Evaluate \(6v-9\) for \(v=4\).
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6. |
EASY
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Evaluate \(x-y\) for \(x=15\) and \(y=7\).
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7. |
MEDIUM
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Evaluate \(7+8b\) for \(b=-2\).
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8. |
MEDIUM
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Evaluate \(pq\) for \(p=6\) and \(q=-4\).
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9. |
MEDIUM
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Evaluate \(3a+5b\) for \(a=7\) and \(b=-2\).
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10. |
MEDIUM
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Evaluate \(\frac{d}{c}\) for \(c=77\) and \(d=11\).
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11. |
MEDIUM
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Evaluate \(3ab-4a+6b\) for \(a=3\) and \(b=-2\).
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12. |
MEDIUM
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Evaluate \(w^3-w^2+w-1\) for \(w=-1\).
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13. |
MEDIUM
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Evaluate \(5x-3y+9z-7x+6y-4z\) for \(x=3\), \(y=2\) and \(z=-4\).
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14. |
MEDIUM
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Evaluate \(xyz-2yz\) for \(x=-2\), \(y=-3\) and \(z=7\).
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15. |
HARD
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Evaluate \(\frac{x^4y}{xy^3}-\frac{xy^4}{x^3y}\) for \(x=2\) and \(y=\frac{1}{2}\).
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16. |
HARD
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Evaluate \(\frac{x}{y}+\frac{y}{z}+\frac{z}{x}\) for \(x=2\), \(y=4\) and \(z=6\).
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17. |
HARD
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Evaluate \(xyz-2xy+3yz-4zx+5x-6y+7z\) for \(x=1\), \(y=-1\) and \(z=0\).
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18. |
HARD
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Evaluate \(\frac{2x^2-3y^3}{x-y}\) for \(x=6\) and \(y=4\).
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19. |
HARD
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Evaluate \(\frac{xy^2z^3}{xy^3z^5}\) for \(x=9\), \(y=4\) and \(z=1\).
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20. |
HARD
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Evaluate \(ab^2c+(ab)^2c^3\) for \(a=2\), \(b=3\) and \(c=-1\).
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