Practice before Test

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Use the graph to determine the X-intercepts

• (-1,0) and (-3,0)

• (1,0) and (3,0)

• (0,1) and (0,3)

• (0,-1) and (0,-3)

What is the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Where is the function decreasing?

• (-∞, -1)
• (-1, ∞)
• (-∞, 3)
• (-∞, ∞)

What type of function has equations with NO EXPONENTS?

• Linear

• Quadratic

• Exponential

What type of function has equations with an X EXPONENT?

• Linear

• Quadratic

• Exponential

What type of function has equations with a 2 EXPONENT?

• Linear

• Quadratic

• Exponential

What is the domain of the function?
*Hint: Domain is the set of all x-values included in the function.

• x≥3
• x≤3
• All real numbers
• -1≤x≤5

A quadratic function is graphed on the grid.

Which answer choice best represents the domain and range of the function?