TEST: Linear Equations, Sequences, Coordinate Plane 2009-10

2)  Which equation identifies the pattern shown in the table?

x

3

4

5

6

y

3

10

19

30

A.  y = 6x -1
B.  y = x² - 10
C.  y = x² - 6
D.  y = x² - x

4)  What is the missing number in this sequence?

 

             2, 5, 10, 17, ____, 37, 50, 65

 

     Record your answer in the blank below.

3) Let n represent the position of a number in the following

arithmetic sequence.

                          

                                2, 4, 6, 8, . . . .

 

                 What is the rule for the nth term?

A.  1n

B.  2n

C.

D.

5)  Which expression can be used to find the nth term in the

     following arithmetic sequence, where n represents a number’s

     position in the sequence?

Position
Term

B.   3n + 4

A.   n – 4
1
5
2
9
13
3

C.   5n

D.    4n + 1

17
4
n
?

1.   6)   Which expression can be used to find the nth term in 

           the sequence?

 

                           4, 8, 12, 16........

 

 

 

B.   n – 2

A.   n + 2

D.   3n – 1

C.   4n

1.   7)  The graph of line, y = 2x + 3, is drawn on the coordinate grid

          below. Which table of ordered pais contains only points on

          the line?

A.
C.

x

y

-1

-2

3

0

5

1

7

2

x

y

-2

1

0

3

1

5

3

9

B.
D.

x

y

-2

-1

0

3

1

5

2

7

x

y

-1

-2

1

5

2

7

3

5

8)  David entered a math contest and was told to put the following

     numbers in order from least to greatest.  He ended up being

     the first one to finish and correctly place all the numbers. 

     What did his final answer look like?

C.

D.

A.

B.

9)  Paula is making 7 tablecloths.  She needs 9.35 yards of fabric

     for each tablecloth.  The fabric costs $4.50 per yard.  Which

     equation can be used to find the cost of the fabric, c?

A.   C=9.35÷7x4.5
B.    C=9.35+7x4.5
C.    C=9.35x7÷4.5
D.    C=9.35x7x4.5

10)  The elevation to the entrance of a cave is at 1,542 feet above

       sea level.  The bottom of the cave is 2,568 feet below the

       entrance.  What is the elevation of the bottom of the cave?

       (hint: draw a picture)

A.  4,110 feet

B.  1,026 feet

C.  -1,026 feet

D.  -4,110 feet

11)  12 out of 25 students earned a C in science for the 9 weeks. 

       What percent of the students DID NOT earn a C in science

       for the 9 weeks?

D.  50%

B.  52%

C.    5%

A.  25%

12)  B. A. Baker is planning to cook muffins for the crowd at her

       house on Thanksgiving.  The recipe calls for 4 eggs and makes

       24 muffins.  If she needs 84 muffins for the crowd at her

       house, how many eggs will she need?

A.   8
C.  14
D.  20
B.  12

13)  Dr. Dirt measured a bacteria germ in the laboratory.  The

       germ measured 0.0000065 millimeters.  What would this

       number be in scientific notation?

A.   6.5x106
B.   6.5x10-6
C.  65x107
D.  65x10-7

14)  Stanley has a square piece of cardboard that has an area of

       12 square feet.  He plans to use it for his science fair board

       and wants to trim the outside edges in blue ribbon.  About

       how many feet of blue ribbon will he need?

       (hint: “trim the outside edges” implies perimeter)

 A.   48 feet

B.    30 feet
C.   14 feet
D.     2 feet

15)  N. F. Ashion saw a shirt priced at $45 that she could not live

       without.  The shirt was on sale for 20% off.  How much should

       she expect to pay for the “to-die-for” shirt?

C.   $15

  D.  $9

B.    $24

A.   $36

16)  The cost of renting a party room at the Pizza House is $65,

       plus $6 for each person who attends the party.  Which number

       sentence could be used to find n, the number of people who

       attended a party that cost $245?

D.   6n + 65 = 245

C.   n + 65 = 245

              6

A.   6n x 65 = 245
B.   6(n + 65) = 245

17)  Determine whether a scatter plot of a set of data involving

           the number of pay-per-view movies ordered and the cable

           bill would show a positive, negative or no relationship?

Both positive and negative relationship
No relationship
Positive relationship
Negative relationship

18)  The scatterplot below shows the cost of 9 large countertop

       microwave ovens and their capacity in cubic feet.

Which best describes the trend

shown in the scatterplot?

Positive relationship
Negative relationship

Both positive and negative

    relationship

No relationship

19.  Solve the equation for x:

 

 

                           6x + 5 = 29

 
B.      17/3
A.      6
C.      4
D.      1

20.   Write the inequality for:

 

 

       "An elevators maximum load is 3,400 pounds".

A     e > 3,400
B      e ≥ 3,400
C      e < 3,400
D      e ≤ 3,400

21.  Which of the following  is NOT a special property

of Direct Variation relationships?

B.   The graph passes through the origin.

A.   Data points in the table or on the line are

      proportional.

C.    The graph decreases
D.   The point (0, 0) would appear in the x-y table.
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