1. Use the graph below to complete the table. Then look for a pattern in your table to write an equation.

graph pattern

y=___________


Answer either #2 or #3
2. Circle the rule that describes the table below. Explain how you made your decision.

y = -3x - 1    y = x - 2    y = -2x + 3    y = x - 7

number array


3. Use your pattern-detection skills to find a rule for the table below.

number array

a) Write your rule in words.


b) Write your rule algebraically (y = ).


4. Use the graph at right to answer each of the following questions.

a) Point A is on the line. If the x-coordinate of point A is -2, what is its y-coordinate? Label point A on the graph.graph

b) Point B is on the line. If the y-coordinate of point B is 2, what is the x-coordinate? Label point B on the graph.

c) Label the point where the graph crosses the x-axis. Call the point "C".

d) Estimate the coordinates of point C.

e) Identify any other point on the line and label it D. What are the coordinates of D?


5. Complete the following table. Then use the table to neatly graph the equation.

y = -2x - 2

number array



6. Tetrahedral dice have only four sides numbered one through four. Suppose you have two tetrahedral dice. What is the probability you will roll a sum of 6? Show how you organize your information to solve this problem.



7. A penny is 0.00072 meters thick. How tall would a stack of one billion pennies be? Write your answer in both standard form and in scientific notation.



8. Use the Distributive Property to rewrite each of the following expressions.

a) -2(4 - x) = c) x·y + x· 6 =

b) -3·6y + -3·1 =d) b(2a + c) =
9. Make a Guess and Check table to solve the following problem. Be sure to state your answer in a complete sentence.


A rectangular garden has a length 2.5 meters more than its width. The perimeter of the garden is 45 meters. What are the length and the width of the garden?



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