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| 1 | |
Solve for x: 3x – 2 = 10. |
| | A) | x = 4 |
| | B) | x = 8 |
| | C) | x = 12 |
| | D) | x = 36 |
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| 2 | |
Find the root of the equation 2y – 3 = 5y + 3. |
| | A) | y = 0 |
| | B) | y = –1 |
| | C) | y = –2 |
| | D) | y = 2 |
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| 3 | |
An equilateral triangle has the same perimeter as a square with a side length of 3 cm. Find the side length of the triangle. |
| | A) | 6 cm |
| | B) | 4 cm |
| | C) | 3 cm |
| | D) | 2 cm |
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| 4 | |
Which of these equations has the solution a = 4? |
| | A) | 3a + 1 = 11 |
| | B) | 4a + 3 = 2a + 5 |
| | C) | 3a – 5 = a – 3 |
| | D) | 2a – 1 = 7 |
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| 5 | |
Rearrange the formula P = a + b + c to isolate the variable a. |
| | A) | a = P – b – c |
| | B) | a = P + b + c |
| | C) | a = P + b – c |
| | D) | a = P – b + c |
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| 6 | |
Natasha has a new job with a landscaping company. In her first week, she worked 30 h and was paid $240. In her second week she worked 42 h and was paid $336. What is the equation that relates her pay P to the number of hours worked h? |
| | A) | P = 6.5h + 45 |
| | B) | P = 7h + 42 |
| | C) | P = 7.5h + 21 |
| | D) | P = 8h |
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| 7 | |
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973199/362676/pom9_ch4_to_6_practice_exam1_ques7.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"> (9.0K)</a>]]>
The cost C of renting a fishing boat for h hours is shown. What is the equation that relates C and h? |
| | A) | C = 15h + 10 |
| | B) | C = 10h + 15 |
| | C) | C = 10h |
| | D) | C = 15h |
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| 8 | |
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973199/362676/pom9_ch4_to_6_practice_exam1_ques8.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"> (41.0K)</a>]]>
What is the slope of the line segment AB? |
| | A) | –6 |
| | B) | –1 |
| | C) | 1 |
| | D) | 6 |
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| 9 | |
Lynn was scuba diving at a depth of 40 m when her dive computer indicated that it was time to begin a standard ascent. She noted a change in depth of 10 m after 40 s ascending. What is the standard rate of ascent? |
| | A) | 10 m/s |
| | B) | 0.75 m/s |
| | C) | 0.5 m/s |
| | D) | 0.25 m/s |
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| 10 | |
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973199/362676/pom9_ch4_to_6_practice_exam1_ques10.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"> (6.0K)</a>]]>
Calculate the first differences to determine which of the following statements is true. |
| | A) | The relation is linear because the first differences are constant. |
| | B) | The relation is non-linear because the first differences are constant. |
| | C) | The relation is linear because the first differences are negative. |
| | D) | The relation is non-linear because the first differences are negative. |
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| 11 | |
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973199/362676/pom9_ch4_to_6_practice_exam1_ques11.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"> (42.0K)</a>]]>
Consider the line shown. What is the equation of the line? |
| | A) | y = –2x + 1 |
| | B) | y = –2x – 1 |
| | C) | y = 2x + 1 |
| | D) | y = 2x – 1 |
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| 12 | |
Rearrange the equation 3x + 4y – 5 = 0 into slope-intercept form. |
| | A) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973199/362676/pom9_ch4_to_6_practice_exam1_ques12a.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) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973199/362676/pom9_ch4_to_6_practice_exam1_ques12b.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) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973199/362676/pom9_ch4_to_6_practice_exam1_ques12c.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) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973199/362676/pom9_ch4_to_6_practice_exam1_ques12d.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>]]> |
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| 13 | |
Determine the x- and y-intercepts for the line 3x – 4y – 24 = 0. |
| | A) | The x-intercept is 8. The y-intercept is –6. |
| | B) | The x-intercept is –8. The y-intercept is 6. |
| | C) | The x-intercept is 8. The y-intercept is 6. |
| | D) | The x-intercept is –8. The y-intercept is –6. |
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| 14 | |
A line passes through the points P(–2, –5) and Q(1, 4). What is the equation of the line? |
| | A) | y = 3x – 1 |
| | B) | y = 3x + 1 |
| | C) | y = –3x – 1 |
| | D) | y = –3x + 1 |
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| 15 | |
A DVD club sells DVDs for a flat price of $15 each to anyone. Alternatively, you can become a member by paying dues of $50, and purchase DVDs at a discounted price of $10. Use a linear system to determine the number of DVDs bought that results in the same cost for either plan. |
| | A) | 5 |
| | B) | 8 |
| | C) | 10 |
| | D) | 15 |
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