Quadratic function

Select the false statement about the parabola

• The vertex is at (-2,-3)

• The minimum is -3

• The maximum is -3

• The y-intercept is -7

Select the false statement about the parabola.

• It has 2 zeros

• The axis of symmetry is x= - 2

• The minimum is -3

• It is concave down

What is the vertex?

• (2,3)

• (0,-1)

• (-3,-2)

• (-2,-3)

Which ordered pair is a solution of the quadratic function represented by the graph?

• (-1,-4)

• (0,0)

• (2,1)

• (-4,-5)

Describe the transformation of this function y = (x-5)²+9 from its parent function.

• translation left 5 up 9

• reflection across x-axis

• translation right 5 up 9

• gets narrower

Describe the transformation of this function y = -(x+8)²+3 from its parent function. Select all that apply.

• translation left 8 up 3

• reflection across x-axis

• translation right 8 down 3

• gets wider

Select the key feature that is revealed by y = (x-5)²+9. Select all that apply.

• Vertex is (5,9)

• y-intercept is 9

• Minimum is 9

• Maximum is 9

Select the key feature that is revealed by y = x²+4x-7. Select all that apply.

• Vertex is (4,-7)

• Vertex is (-4,-7)

• y-intercept is -7

• y-intercept is 7

Select the key feature that is revealed by y = (x-7)(x+5). Select all that apply.

• Vertex is (7,-5)

• Zeros are 7 and -5

• minimum is -7

• y-intercept is 5

Select the function for which the graph is concave up (opens up).

• y = -(x+3)²+5

• y = -x²+5x-7

• y = (x-3)²-5

• y = -(x+3)(x+5)