Solving Quadratic Equations

What are the x- intercepts?
These are also known as the roots, zeroes and solutions!! 
These are the points where the parabola goes through the X - AXIS

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

Tags

CCSS.HSF-IF.C.7A

What are the green dots called?

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

Tags

CCSS.HSF-IF.C.7A

What is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

Tags

CCSS.HSF-IF.C.7A

Which of the following equations matches standard form of a quadratic?

• y = mx + b
• y = ax² + bx + c

Another name for the x-intercept

• Roots

• Zeros

• Solutions

• All of the above

Tags

CCSS.HSF-IF.C.7C

What is the vertex form formula?

• y=ax²+bx+c

• y=mx+b

• y=a(x-h)2+k

What is the domain of the graph shown above.

• x=19

• all real numbers

• y=3

• Maximum

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range of this function?

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

Tags

CCSS.HSF-IF.C.7A

What are the zeros of the quadratic function?
y = x² - 2x - 15

• x = -2
  x = -15
• x = -3
  x = 5
• x = 3
  x = -5
• x = 1
  x = -16

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

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