Solving Quadratics by Graphing

What are the solutions for this graph?

• x= 0 and 8

• x= -2 and -4

• x= 3 and -1

• x= 2 and 4

What is another word that describes the zeros of a quadratic function?  

• y-intercepts
• vertex
• x-intercepts
• maximum

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

What are the x- intercepts?

• (0,0) and (-4, 0)

• (0,0) and (4, 0)

• (0,0)

• (2,0)

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

How many real solutions does the quadratic have?

• No real solutions

• One real solution

• Two real solutions

How many real solutions does the quadratic have?

• No real solutions

• One real solution

• Two real solutions

How many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

What are the solutions to this function?

• x= -2 and -1

• x= -3 and -1

• x= -1 and 3

• x= -1 and -2