8-5 Solve Quadratic Equations by Graphing and Square Root

Solve the equation by graph: $y=x^2-3x+2$  

• -1 and -2

• No Solution

• 2

• 1 and 2

Solve the equation by graphing: $-x^2-7x=6$   

•  $x=1\ and\ x=6$  

•  $x=-6$  

•  $x=-6\ and\ x=-1$  

• No Solutions

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Determine the solutions of the graph:

• No Solutions

• (-3, 0) and (-1, 0)

• Infinity Many Solutions

• (-1, 0)

Tags

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

CCSS.HSF.IF.B.4

Determine how many solutions:

• One Solution

• Two Solutions

• No Solutions

• Infinitely Many Solutions

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Determine how many roots:

• One Solution

• Two Solutions

• No Solutions

• Infinitely Many Solutions

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.11

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

Tags

CCSS.HSF-IF.C.7A

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 this graph?

• -2 and 3

• -1/2 and -6

• -2 and -6

• 3 and -6

How many zeros does this function have?

• two

• one

• all real numbers

• no real solutions

 $x^2+4x-32=0$  

•  $x=-8,\ 4$  

•  $x=8,-4$  

•  $x=-8,-4$  

•  $x=8,\ 4$