Unit 3 Test Review Alg 1

Which of the inequalities below best describes the domain of the function shown on the graph?

• -2 ≤ x ≤ 2

• -5 ≤ x ≤ -3

• -2 ≤ x ≤ 3

• -5 ≤ x ≤ 3

What is the range of the following graph?

• all real numbers

• all integers

• any real number greater than zero

• it can not be determined

What is the Domain of this linear function?

• -3 < x ≤ 5

• x = -1

• 5 < x ≤ -3

• -2 < x ≤ 6

The value of y varies directly with x.  Which function represents the relationship between x and y if y = 14 when x = 6. 

• y=20x

• y=84x

• y=7/3x

• y=3/7x

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

• $2

• $308

• $1.57

• $265

Which graph is y = 7?

• 
• 

Which graph is x = 7?

• 
• 

What is the equation of this line?

• x=5

• y=5

• y=5x

• x=-5

What is the equation of the line?

• y = 0

• y = 1

• y = 2

• x = 1

What is the slope of the line that contains these points?

• 2

• -2

• 1/2

• -1/2