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Writing Equations
Solving Equations and Systems of Equations
Linear Equations
Factors
Analyzing Functions and Tables
Mixed Topics
100
Which equation shows the relationship in the table below?

                  x     3      4      5      6

                  y     9      12    15    18

A) y = x

B) y = 2x

C) y = 3x

D) y = 4x

C) y = 3x
100

What is the value of n in the equation:  8n + 9 = -n

n = -1
100
What is the format for linear equations?
y = mx + b
100

Which of the following represents a function?

A) {(1, -2), (4, 5), (4, 2), (5, 6)}

B) {(0, 2), (1, 3), (2, 4), (3, -3)}

C) {(0, 1), (1, 5), (2, 5), (2, 8)}

D) {(0, 8), (1, 9), (2, 8), (1, -4)}

B) {(0, 2), (1, 3), (2, 4), (3, -3)}

100

The lengths in centimeters of four line segments are shown below:

                       3.1, 3.5, 3 1/5, 4.2

Place the lengths in order from least to greatest.

3.1, 3 1/5, 3.5, 4.2
200
Which of the following equations represents a proportional relationship?


A) y = 5x

B) y = .5x + 5

C) y = 5/x

D) y = x + .5

A)  y = 5x
200
What is the value of x in the solution to the equation?

4(x - 1) = 2(x + 1)

x = 3
200
List the 4 types of slope.
Positive

Negative

Undefined

Zero

200

Which of the following does not represent a function?

A) {(0, 1), (1, 2), (3, 4), (2, 2)}  

B) {(-2, 2), (1, 2), (5, 4), (6, 2)} 

C) {(0, 1), (0, 2), (-3, 6), (2, 7)} 

D) {(-1, 3), (6, 5), (3, 1), (2, 1)}

C) {(0, 1), (0, 2), (-3, 6), (2, 7)}

200

Which expression represents 64?

A) 23 

B) 24

C) 25

D) 26

D) 26

300
A leopard's speed was timed over a 50-yard distance.  The leopard was running 50 miles per hour.  Which equation shows the relationship between the distance in miles, y, and time, x, the leopard runs?


A) y = 50x

B) y = 60x + 50

C) y = 50x + 60

D) y = 60x

A) y = 50x

300

What is the solution to the system of equations shown below?

            y = x + 3   and y = -2x + 6

A) (0, 3)

B) (0, 6)

C) (1, 4)

D) (3, 0)

C) (1, 4)
300

Write the equation of a line whose slope is 2 and whose y-intercept is 2.

y = 2x + 2
300

Mario collected data from students about whether they watched the latest Super Bowl game.  The table below shows the results of Mario's survey.

           watched    did not watch     total

boys         80                  20               100     

girls          40                 60               100   

total         120                80               200   

Of the students surveyed, how many watched the Super Bowl?


120
300
Michael wrote the number 6,240,000 in proper scientific notation.  How did he write the this number?

6.24 x 106

400
The equation below can be used to solve which o the following word problems? 2x + 15 = 4x


A) The price of four books is $15 more than the price of two books.  What is the price per book?

B) The price of two books is $15 more than the price of four books.  What is the price per book?

C) The price of four books equals $15.  What is the price per book?

D) John brought a certain number of $2 books and $4 books for a total of $15.  How many of each book did he buy?

A) The price of four books is $15 more than the price of two books. What is the price per book?

400
What is the solution to the system of equations shown below?

            -4x + y = -1  and  2x + 2y = -2

A) (-5, 1)

B) (-1, 2)

C) (0, -1)

D) (-1, 0)

C) (0, -1)
400

The table below shows the amount of gas used by a household over time. What is the slope of the data in the table below?

Number of weeks     2       3        4       5        6 

Gas used                 80     120    160    200    240

40
400

Mario collected data from students about whether they watched the latest Super Bowl game. The table below shows the results of Mario's survey.

           watched        did not watch          total

boys        80                    20                      100 
 girls        40                    60                       100    

total       120                   80                       200

Of the students surveyed, how many girls did not watch the Super Bowl?

60
400
Juan drew a rectangle with a perimeter of 22 units.  He then performed a dilation with scale factor of 2 on the rectangle.  What is the perimeter of the resulting image?
44 units
500
What is the equation of the line that represents the data shown in the table below?


x       -1     0      1      2     3

y        5     8      11    14    17


A) y = -3x + 8

B) y = 3x + 8

C) y = -3x - 8

D) y = 3x - 8

B) y = 3x + 8

500

Carmella sells homemade pies for $10 a pie. It costs $2 for the ingredients to bake each pie. Carmella bough a new oven for $600. How many pies must Carmella bake and sell before she recovers the cost of the oven?

A) 50

B) 60

C) 75

D) 95

C) 75
500
Graph the equation y = 2x - 2

Review graphs

m = 2 

*Positive slope = line going uphill*

b = - 2 (0, -2)


500

Mario collected data from students about whether they watched the latest Super Bowl game. The table below shows the results of Mario's survey.

           watched         did not watch         total

boys       80                       20                    100 

girls       40                       60                     100 

total      120                      80                     200    


What is the relative frequency of students that watched the Super Bowl?

60%
500

Triangle FGH has the coordinates F(3, 2), G(3, 3), and H(2, 2).  In what quadrant would the triangle be if it is rotated 90o clockwise about the origin?


Quadrant IV