Quadratic Equations Key Attributes

Which of the following best represents the equation of the graph?

• The new graph will be VERTICAL STRETCH by a factor of 3.

• The new graph will be VERTICAL COMPRESSED by a factor of 3.

• The new graph will be HORIZONTALLY SHIFTED to the RIGHT 3 units.

• The new graph will be VERTICALLY SHIFTED UP 3 units.

Which of the following are key attributes of the graph of the quadratic function shown above?

• I only

• III only

• I, III and IV

• I, II, III and IV

The graph of f(x) = x² + 31 is transformed by f(x) – 15, which of the following equations will best describe the resulting graph?

• f(x) = x² + 46

• f(x) = 16x²

• f(x) = x² + 16

• f(x) = 46x²

Match the following coordinate or equation to its special attribute.

• Is the x value of the vertex.

• Axis of Symmetry

• Graph opens up

• Vertex

• Crosses the x-axis

• x-intercepts

• Crosses the y-axis

• a>0

• Minimum

• y-intercept

When did the water reach its maximum height? Choose the key feature and the answer.

• x-value of vertex, 2 seconds

• y-value of vertex, 9 seconds

• y-intercept, 0 seconds

• x-intercept, 3.8 seconds

What is the y-intercept of the quadratic function?

• 2

• 4

• -2

• 0

Which statement is not true about the function graphed to the right?

• The graph has a y-intercept at (0, 5)

• The graph has an vertex at (-3, -4)

• The graph has a maximum value of -3

• The graph has an x-intercept at (-1, 0)

What was the maximum height of the ball? Choose the key feature and the answer choice.

• y-intercept, 3 feet

• y-intercept, 0 feet

• x-value of the vertex, 4 feet

• y-value of the vertex, 5 feet

What key feature tells the lowest point on the roller coaster?

• y-intercept

• vertex

• Axis of Symmetry

• x-intercept