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Showing posts with label graph. Show all posts
Showing posts with label graph. Show all posts
Intermediate Algebra Exam #3
Click on the 10 question exam covering topics in chapter 6. Give yourself one hour to try all of the problems and then come back and check your answers.
9. The height of a baseball in feet tossed upward is given by the function
where t represents time in seconds. What is the maximum height of the baseball?
10. Find a quadratic equation with solutions: {±5i}
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Interactive: Perpendicular Lines
Interactive Instructions: Move the green points to change m and see that perpendicular lines have opposite reciprocal slopes.
[ NOTES: Perpendicular Lines ]
Interactive: Slope-Intercept Form
Interactive Instructions: Slope-intercept form: y = mx + b. Move the green points to change m and b.
[ NOTES: Slope and y-Intercept ]
Elementary Algebra Exam #2
Click on the 10 question exam covering topics in chapters 3 and 4. Give yourself one hour to try all of the problems and then come back and check your answers.
Graph. Also, find and label both the x- and y-intercepts.
Find the equation of the line:
[ PDF -> Elementary Algebra Sample Exam #2 ]
Are the following lines parallel, perpendicular, or neither? Justify your answer.
Find the equation of the line:
9. A light aircraft, flying with the wind, can travel 270 miles in 2 hours. On the return trip, flying against the same wind, the plane can only travel 210 miles in the same amount of time. What is the speed of the wind?
10. Marcia invested a total of 2,500 dollars in two separate accounts. One account earned 6% annual interest and the other earned 8%. If her total interest for the year was 167 dollars, then how much did she invest in each account?
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Elementary Algebra Exam #2 by John Redden is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
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