Solving quadratics by graphing

How many solutions does this function have?

• two

• one

• all real numbers

• no 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,-1}

• x={-3,-1}

• x={-1,3}

• x={-1,-2}

What are the solutions to this function?

• x={2}

• x={2,0}

• x={-2}

• x={0,-2}

What is another word for solutions

• zeros

• roots

• x-intercepts

• y-intercepts

• vertex

Tags

CCSS.HSF-IF.C.7A

Solutions to quadratic equations are the points where the functions intersects the y-axis.

• true

• false

Which graph has the function  $f(x)=-(x+2)^2$ ?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

Tags

CCSS.HSA.APR.B.3

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

Tags

CCSS.HSF-IF.C.7C

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C