Quadratics

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

What are the zeros?

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

What is the green dot on the parabola called?

• maximum
• minimum
• roots
• axis of symmetry

What is the range of this function?

• (-∞, + ∞) 
• (-∞, -2] 
• [ -2, + ∞) 
• [0, +∞) 

What is the domain of the graph?

• (-∞, 4]
• (-∞, +∞)
• (-4,0)
• [4,+∞)

What is the range of the function?
*Hint: Range is all of the y-values included in the function. 

• (-∞, 3]
• (-∞, 3) 
• (-∞, +∞) 
• [3, +∞) 

How many solutions does this quadratic have?

• Two Real Solutions
• One Real Solution
• No Real Solutions
• I don't know

Solve using square roots.
k² - 6 = 43

• k = 49, k = -49
• k = 37, k= - 37
• k = 7, k = -7
• no solution

Solve using square roots.

• ±72
• ±12
• 12
• No real solution

Solve by taking square roots:
a² + 9 = 9

• no solution
• a = 0
• a = 3 or -3
• a = 18

Tags

CCSS.HSA-REI.B.4B