Algebra I Final Exam Review

Multiply and simplify.  (x – 6)²

• x² - 36
• x² - 12
• x² - 12x + 36
• x² - 12x - 36

Where does 4x + 3y = 12 cross the y axis?

• (0, 4)
• (0, 3)
• (4, 0)
• (3, 0)

Given  m =  ½ and b = – 4.  Which graph matches this information?

• A.
• B.
• C.

Solve the system of equations using substitution. 
y = 2x + 1
2x + y = 17 

• (-4, -9)
• (4, -9)
• (-4, 9)
• (4, 9)

Factor completely
x² + 5x – 14 

• (x – 7) (x + 2)
• (x + 7)(x + 2)
•  (x + 7)(x – 2) 
• (x – 7)(x – 2)

A VERTICAL line passes through the point (-3, –1). Find the equation of the line.

• x = –3
• y = –3x + 3
• y = 3
• y = 1

Given 4x – y = 8
solve for y. 

• y = –4x – 8
• y = –4x + 8
• y = 4x – 8
• y = 4x + 8

Solve the system of equations.
a + b = 22
a – b = 4

• a = 9, b = 13
• a = -9, b = 31
• a = 13, b = 9
• a = -13, b = 9

Samaria has 8 more than two times as many pieces of candy as Sydney.  Samaria has 20 pieces of candy.  How many does Sydney have?

• 14
• 15
• 5
• 6

The graph shows the cost per day for renting a car.  Which statement is NOT true?

• It cost $60 to rent a car for two days
• The graph has a positive rate of change
• The slope of the graph is positive
•  The rental cost is $150 a day