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Laabri

SMS Alg Quiz #3 Review

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Last updated over 7 years ago
30 Nsɛmmisa

Directions for #1-12: Tell whether the equation represents direct variation, inverse variation, or neither.

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Given that y varies directly with x, use the specified values to write an inverse variation equation that relates x and y. Then find the value of y when x =3.

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Given that y varies inversely with x, use the specified values to write an inverse variation equation that relates x and y. Then find the value of y when x =3.

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Directions for #21-22: Identify the direct variation equation from the graph.

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Directions for #23-30: Select all the transformations that are happening to the function.

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1.

3x + y = 6

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2.

y = 7x

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3.

xy = 8

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4.

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5.

y = -2x

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6.

x = 7y

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7.

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8.

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9.

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10.

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11.

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12.

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13.

(Follow directions above) x = 5, y = 25

Just write the number for your answer

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14.

(Follow directions above) x = 3, y = 18

Just write the number for your answer

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15.

(Follow directions above) x = 25, y = 250

Just write the number for your answer

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16.

(Follow directions above) x = 4, y = 3

Just write the number for your answer

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17.

(Follow directions above) x = 10, y = 6

Just write the number for your answer

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18.

(Follow directions above) x = 6, y = 6

Just write the number for your answer

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19.

(Follow directions above) x = -5, y = 9

Just write the number for your answer

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20.

(Follow directions above) x = -2, y = 12

Just write the number for your answer

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21.

(Follow the directions above)

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22.

(Follow the directions above)

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23.

f(x) = x; g(x) = -x+2

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24.

f(x) = x; g(x) = 1/3x

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25.

f(x) = x; g(x) = -1/5x - 6

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26.

f(x) = x; g(x) = 4x + 5

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27.

f(x) = x; g(x) = -10x

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28.

f(x) = x; g(x) = 5/7x - 3

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29.

f(x) = x; g(x) = 2x +4

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30.

f(x) = x; g(x) = -3/2x + 1

***Be careful! Think about 3/2....