Review Algebra

Which type of function best models the data?

• linear function with a negative rate of change

• linear function with a positive rate of change

• exponential growth function

• exponential decay function

Is the relation a function?

{(1,2), (3,4), (5,1), (8,1)}

• Yes

• No

What are the roots of the quadratic function shown in the graph below?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Which equation does NOT represent a linear function?

• y = 2x - 3

• y = 8

• y = x²

• y = x

Which ordered pair is a solution to the system of equations below?

y = 3x - 3

y = 5x - 7

• (2,3)

• (0,1)

• (1,2)

• (2,7)

Which ordered pair is the solution to the following system of equations?
2x - y = 13
3x + y = 2

• (-19, -3)
• (3, -7)
• (5, -3)
• (9, 5)

What is the solution to the system of equations shown in the graph?

• no solution

• infinite solutions

• (2,2)

• (2,-2)

What is the solution for the system provided?

• Infinitely many solutions
• No solution
• One solution
• (0,0)

What is the equation for this line?

• y = x - 2
• y = x + 2
• y = 2x
• y = -x + 2

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined