Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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| Draw a
line through all points with an abscissa of 5. | |
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2.
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Graph the ordered-pair solutions of 
when  .
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3.
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State whether the following relation is a
function.
a. | Function | c. | Insufficient Information | b. | Not a
Function |
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4.
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The x-intercept of the graph of  is (–9, 0). What is the zero of f?
a. | 0 | d. | 5 | b. | 9 | e. |  | c. | -9 |
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5.
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Find
the equation of the line that contains the given points.
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6.
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The pilot of a Boeing 757 jet departs from
Boston’s Logan Airport, which is at sea level, and climbs to a cruising altitude of 32,000 feet
at a constant rate of 1250 feet per minute. Write a linear equation for the height of the plane
in terms of the time after take-off. Use your equation to find the height of the plane 12
minutes after take-off.
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7.
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There are approximately 124 calories in a 2-ounce
serving of lean hamburger and approximately 186 calories in a 3-ounce serving. Write a linear
equation for the number of calories in lean hamburger in terms of the size of the serving. Use
your equation to estimate the number of calories in a 6-ounce serving of lean
hamburger.
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8.
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Find the equation of the line containing the point
(2, –3) and parallel to the line  .
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9.
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Graph
the solution set of  | |
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10.
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Graph the solution set of 
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