1. The following table represents data for total cost per item produced for Company A and Company B. One of them represents a linear model, the other a quadratic -- identify which is which, and explain how you determined the result.

1. Solve the following equations for x:
   1. $x^2 - 5x - 14 = 0$
   2. $2x^2 + 6x = 4$
2. Match the graphs on the board to the following equations (write down the equation and sketch the graph next to the matching equation). Justify your answer.
   1. $y = -3x^2 + 18x - 24$
   2. $y = x^2 - x ...

1. Write an equation that describes the line in the given graph. Suppose the graph describes a company -- is the company profitable?
2. Suppose the profit of a given company can be modeled by: $ P(t) = 1500t - 10000 $
   1. Draw a careful graph of this system on graph paper
   2. Explain the significance of ...

1. Solve for x:
   1. $ 3x + 5 = 14 $
   2. $ 5x - 2 = 13 $
   3. $ 10 + 6x = 5 $
   4. $ 9 = -3x + 6 $

2. One car rental company (A) offers a car for \$45 per day, while a second company (B) offers a similar car for \$38 per day, with an initial fee of \$60. Company A is ...

1. Round 84,619 to the nearest hundreds place:
2. Evaluate $20 - 3(6-4)^2 + 5$
3. Calculate: Be sure the final answer is in lowest terms.

$ \frac{3}{5} + \frac{1}{2} $

4. Fill in the chart below: Simplify all fractions.
   1. Convert $\frac{3}{8}$ into a decimal
   2. Convert $0.04$ into a ...

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