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Showing posts with label solve. Show all posts
Showing posts with label solve. Show all posts

Sunday, March 31, 2013

Dynamic Quiz - Solving Basic Linear Equations

Solve for the given variable.
$$2x+3=13$$
$$x=$$
Push the Check button for feedback.

Sunday, March 24, 2013

Intermediate Algebra Exam #2

Click on the 10 question exam covering topics in chapters 4 and 5. Give yourself one hour to try all of the problems and then come back and check your answers.

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Saturday, March 23, 2013

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:

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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