Intro to Quadratics- Graph & Factor

True or False: zero, root, solution, and x-intercept all mean answer

• True

• False

What are the x-intercepts for this graph?

• 1 and 3
• 1 and -3
• 0 and -3
• 0 and 3

Tags

CCSS.HSF-IF.C.7A

What is the first step in solving 
(x + 2)(x - 3) = 0      ?

• Plug in zero for x
• Solve for x
• FOIL
• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSF-IF.C.7A

Solve for the values of x:
(x - 3)(x + 6) = 0

• { -3, -6 }
• { 3, -6 }
• { -3, -6 }
• { 3, 6 }

Tags

CCSS.HSA-REI.B.4B

Solve.
x² + 2x - 15 = 0

• x = -5 or x = 3
• x = -3 or x = 5
• x = 3 or x = 5
• x = -5 or x = -3

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.
z² - 6z - 27 = 0

• z = 3 or z = 9
• z = 3 or z = -9
• z = -3 or z = 9
• z = -3 or z = -9

Tags

CCSS.HSA-REI.B.4B

 What is Standard Form of a quadratic equation

•  $a+b+c=0$  

•  $ax^2+bx+c+0$  

•  $ax^2+bx=c$  

•  $ax^2+bx+c=0$