Key attributes of a quadratic equation

What is the parent of quadratic function?

• $f\left(x\right)=x$

• $f\left(x\right)=x^2$

• $f\left(x\right)=2^x$

• $f\left(x\right)=2x$

For the parent function f(x)=x² , what is the value of y if x=3?

• 9

• 6

• 5

• 3

What is the vertex of the quadratic graph shown?

• (3,4)

• (0,-5)

• (4,3)

• (1,4)

• (5,0)

Which line represents the axis of symmetry of the quadratic function shown. Line A,B,C, or D ?

• Line A

• Line B

• Line C

• Line D

What is the axis of symmetry of the quadratic graph shown?

• $x=-1$

• $y=-1$

• $y=-4$

• $x=-4$

What is the maximum value of the quadratic graph shown?

(a)  

A quadratic graph opening down with a vertex of (-3,5) . Which of these statement must be true?

• The minimum value of the function is -3

• The equation of the axis of symmetry is x = -3

• The maximum value of the function is 5

• The equation of the axis of symmetry is x = 5

What is the y-intercept of the quadratic graph shown?

(a)  

When a parabola opens downward the vertex is

• a minimum
• a maximum
• a vertex
• a parabola

Use the graph to determine the solutions.

• x= -1 and x= -3
• x=1 and x= -3
• x=1 and x=3
• x= -1 and x=3