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| 1 | |
| The relation |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070977682/448198/image002.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]> | models the relationship between the temperature of a liquid in Celsius and time in seconds |
from the beginning of an experiment. What will the temperature of the liquid be after 8 seconds? |
| | A) | 0o C |
| | B) | 58o C |
| | C) | 84o C |
| | D) | 100o C |
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| 2 | |
| The relation | <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070977682/448198/image002.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]> | models the relationship between the temperature of a liquid in Celsius and time in seconds |
from the beginning of an experiment. In theory, after how many seconds will the temperature of the liquid drop to 0 oC? |
| | A) | 100 s |
| | B) | 80 s |
| | C) | 40 s |
| | D) | 20 s |
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| 3 | |
Find the y-intercept of y = 0.56x2 - 30x - 9.5. |
| | A) | −30 |
| | B) | −9.5 |
| | C) | 9.5 |
| | D) | 30 |
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| 4 | |
Find the zeros of y = −x2 - x + 72. |
| | A) | −9 and 8 |
| | B) | −8 and 9 |
| | C) | −9 and −8 |
| | D) | No zeros. |
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| 5 | |
| Find the minimum value of |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070977682/448198/image008.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]>. |
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| | A) | −4 |
| | B) | −2 |
| | C) | 2 |
| | D) | 4 |
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| 6 | |
The perimeter of a rectangle is 36 m. Use the chart below to find the maximum possible area.
| Width (m) | Length (m) | | 2 | 16 | | 4 | 14 | | 6 | 12 | | 8 | 10 |
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| | A) | 72 cm2 |
| | B) | 80 cm2 |
| | C) | 81 cm2 |
| | D) | 82 cm2 |
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| 7 | |
The graph of the quadratic relation y = ax2 + 10 passes through the point (−2, 4). Find the value(s) of a. |
| | A) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070977682/448198/image012.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]> |
| | B) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070977682/448198/image014.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]> |
| | C) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070977682/448198/image016.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]> |
| | D) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070977682/448198/image020.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]> |
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| 8 | |
| The graph of the quadratic relation |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070977682/448198/image022.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]> | passes through the point (6, −30). Find the value(s) of c. |
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| | A) | c = −57 |
| | B) | c = −21 |
| | C) | c = −3 |
| | D) | c = 3 |
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| 9 | |
The height of a rocket can be modeled by the relation h = −4.9t2 + 102t + 1.2 , where t is time in seconds since launching and h is altitude in metres. Approximately how long will the rocket stay in the air? |
| | A) | 15 s |
| | B) | 17 s |
| | C) | 19 s |
| | D) | 21 s |
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| 10 | |
Clinton is organizing a charity event at his school for his student council. At a ticket price of $5, 1000 people will attend. For every 50 cents they raise the price above $5, 50 fewer people will buy tickets. The revenue they will raise can be modeled by the relation R = −25p2 + 250p + 5000 , where R is revenue in $ and p is the number of price increases above $5. What price should Clinton charge to raise the most money? |
| | A) | $5.00/ticket |
| | B) | $6.00/ticket |
| | C) | $7.50/ticket |
| | D) | $8.00/ticket. |
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