Properties Quadratics

In the picture, what does the coordinate (0, -2), where the parabola crosses over the y-axis, represent?

• the x-intercept

• the minimum

• the axis of symmetry

• the y-intercept

Tags

CCSS.HSF-IF.C.7A

Does this graph in the back have maximum or minimum value?

• maximum

• minimum

• neither

• both

If the vertex of this graph is (2, -1), what is the axis of symmetry?

• x= -1

• x = 2

• y = -1

• x = -2

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

Which of the following is true about quadratic functions?

• The standard form of a quadratic function is... "y = ax² + bx + c".

• The second differences of the y-values are constant.

• The graph of a quadratic is parabolic.

• All of the above

Which of the following are true about the quadratic function shown? (Choose TWO answers)

• There are two roots

• the axis of symmetry is at x = -2

• the vertex is a maximum

• the vertex is (-2, 0)

Tags

CCSS.HSF-IF.C.7A

• A
• B
• C
• D

Which of the following represents a quadratic function?

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

What is another name for the x-intercepts of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name