Algebra 1 Review - 3

What is the next term in the sequence:
1,1,2,3,5,...

• 6
• 7
• 8
• 9

What is the next term in the sequence:
1, −3, 9, −27, 81, ... 

• 121
• 243
• -243
• -121

Find the missing term of the arithmetic sequence.
-15, __, 1, ...

• -7
• 3
• 5
• -10

Identify the common difference.
-21, -18, -15, -12, ...

• 4
• 3
• -4
• -3

If a=5, b=3 and c=-2, what is:
2b + c

• 4
• 21
• 8
• 10

What is the solution to this system?

• (-2, -2)
• (2, -2)
• (-2,2)
• (2, 2)

Christopher looked at his quiz scores shown below for the first and second semester of his Algebra class.
Semester 1: 78, 91, 88, 83, 94
Semester 2: 91, 96, 80, 77, 88, 85, 92
Which statement about Christopher’s performance is correct?

•  The interquartile range for semester 1 is greater than the interquartile range for semester 2.
•  The median score for semester 1 is greater than the median score for semester 2.
• ) The mean score for semester 2 is greater than the mean score for semester 1
• The third quartile for semester 2 is greater than the third quartile for semester 1.

The graph of g(x) is shown. Which appears to be a solution of g(x) = 0 ?

• -3
• -1
• 0
• 3

x + x + x + x + x + x =

• 6x
• x⁶
• too many x's
• not enough x's

Factor:
x² -15x + 36

• (x - 18)(x + 2)
• (x - 12)(x - 3)
• (x - 12)(x + 3)
• (x + 18)(x - 2)