Linear/Exponential/Quadratic Practice

Which equation best represents the relationship between x and y in the table shown?

• y=5x + 10
• y=1/5x+5
• y= 5x+5 
• y=10x+5

Which equation matches the graph?

• y = ½x - 4

• y = -½x - 4

• y = ½ - 4x

• y = -½ - 4x

Write the function that best models the table?

• y = (1/4)x

• y = 4x

• y = 4^x

• y = (1/4)^x

Which equation best describes the graph? 

• y = 2^x + 4
• y = 2^x - 3
• y = 2^x - 4
• y = 2^x + 3 

Write the equation for the following graph.

• y = 25(2)^x
• y = 2(25)^x
• y = 25(1/2)^x
• y = 2(1/25)^x

What is the equation for the table?

• y = 4(2)^x
• y = 2(4)^x
• y = 2(8)^x
• y = -2(4)^x

Write a quadratic equation given the x intercepts and one other point.

Step 1: Write the factors.

The intercepts of this function are (6, 0) and (8, 0). Write the factors.

• (x-6) and (x-8)

• (x+6) and (x+8)

• (x-6) and (x+8)

• (x+6) and (x-8)

Identify the type of function from the table.

• linear

• quadratic

• exponential

• absolute value