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Key Quiz 4.3
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1
Rearrange the formula
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070977682/448198/mhr_fom10_key4_3_q1.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>
and solve for h.
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070977682/448198/mhr_fom10_key4_3_q1_a.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070977682/448198/mhr_fom10_key4_3_q1_b.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>
C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070977682/448198/mhr_fom10_key4_3_q1_c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070977682/448198/mhr_fom10_key4_3_q1_d.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>
2
Rearrange the formula A = P (1+r) and solve for r.
A)r = A - P - 1
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070977682/448198/mhr_fom10_key4_3_q2_b.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>
C)r = P (1+A)
D)r = A - P
3
Mario drove 425 km at an average speed of 75 km/h. Which of the following equations will help to correctly calculate how long the trip took?
A)425 = 75t
B)75 = 425t
C)t = 425 x 75
D)t = 25/475
4
After eating dinner at a restaurant, you tip 15% and PST (8%) and GST (5%) are calculated on the cost without tip. If the final amount you pay including tip and tax is $45.25, which of the following equations will lead to correctly calculating the cost of the meal before tip and tax?
A)45.25+0.15x+0.08x+0.05x = x
B)x+0.15x+0.08x+0.05x = 45.25
C)x+1.15x+1.08+1.05x = 45.25
D)x-0.15x-0.08x-0.05x = 45.25
5
A plane flying at an altitude of 8000 m begins to descend at a rate of 10 m/s. Which of the following equations will lead to correctly calculating how long it will take for the plane to descend to an altitude of 7505 m?
A)7505 = 8000 - 10t
B)7505 = 10 - 8000t
C)8000 = 7505 - 10t
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070977682/448198/mhr_fom10_key4_3_q5_d.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>







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