Page 365 - Algebra 1

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Automotive Maintenance The following chart shows the wear on a particular brand of tires every 10,000 miles. What is the average rate of wear for this brand of tires?
The diagram shows types of transportation. Use the diagram to determine if each statement is true or false. If the statement is false, provide a counterexample.
Transportation Motor Vehicles
Trucks Automatic
a. If a vehicle is a truck, then the vehicle is an automatic. b. All trucks are motor vehicles.
Write Explain the difference between √ - 1 and √ 1.
__ Write Explain why 2g cannot be simplified to 1 .
Mileage
Tread Depth
10,000
20 mm
20,000
16 mm
30,000
12 mm
40,000
8 mm
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2g + 6 6
Multiple Choice Which expression is not equivalent to 3rd -1 - _6 ? r -1d
___ A -3rd-1 B -3r C -3d D -3
d r r-1d Telecommunications Jane bought a prepaid phone card that had 500 minutes. She
used about 25 minutes of calling time per week. Write and graph an equation to approximate her remaining calling time y (in minutes) after 9 weeks.
Find the slope of the line that passes through (1, 6) and (3,-4).
Describe a line that has a slope of 0 and passes through the point (-1, 1).
Write an equation in slope-intercept form of a line that passes through the points (14, -3) and (-6, 9).
Error Analysis Students were asked to find the sum of the polynomials vertically. Which student is correct? Explain the error.
Student A
-6x3 -3x2 +5 3
+ 2x -x -7 ________
-4x3 -4x2 -2
Student B
-6x3 -3x2 +5 + 2x3 -x-7
_________ -4x3 -3x2 -x-2
350
Saxon Algebra 1