Warning!

The following questions are from previous exams. This is only sampling of questions asked in the past. You can use the questions as a guide for the level of difficulty and number of questions, but do not assume your questions will be "just like" these.

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Math 101

1. Solve the following equations for x.

A.

B.

2. For each of the following: (8 points each)

  • Define a variable (tell me what "x" stands for).
  • Write an equation for the problem.
  • Solve your equation.
  • Answer the question in a complete sentence.

A. How many gallons of an 8% acid solution must be mixed with 10 gallons of
12% acid solution to obtain a 9% acid solution?

B. The perimeter of a rectangle is 66 centimeters. Find the length and width of the
rectangle if the length is 4 centimeters longer than the width.

3. Complete the following table of values for the equation

x
3

y

10
-2

4. Find the x and y - intercepts of the line

5. Find the slope of the line passing through (-3, 7) and (8, -4).

6. Graph each of the following lines separate axes.

A. x - 5y = 10

B. The line through the point (-3, 5) with slope -2/3.