10/28 Practice: Forms of Quadratic Equations

What form is the following equation written in?

y = 2(x - 2)² + 4

• Standard

• Vertex

• Factored

What form is the quadratic equation written in?

y = (x - 2)(x + 4)

• Factored

• Standard

• Vertex

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

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

Tags

CCSS.HSA.CED.A.1

What can we find easily in standard form?

• vertex
• zeros/x-intercepts
• y-intercept

Tags

CCSS.HSA.APR.B.3

What can we find easily in factored form?

• y-intercept
• vertex
• zeros/x-intercepts

Tags

CCSS.HSA.APR.B.3

What are the zeros/x-intercepts for the function

f(x) = (x + 7)(x + 5)

• (7 , 0) and (5 , 0)

• (0 , 7) and (0 , 5)

• (-7 , 0) and (-5 , 0)

• (7 , 0) and (5 , 0)

What are the zeros/x-intercepts for the function

f(x) = (x - 3)(x + 2)

• (-3 , 0) and (2 , 0)

• (3, 0) and (-2, 0)

• (-6 , 0) and (-1 , 0)

• (0 , 0) and (6 , 0)

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

What is the equation for this parabola in factored form?

• y=(x+2)(x-1)
• y=(x-2)(x+1)
• y=(x-2)(x-1)
• y=(x+2)(x+1)

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.B.3

What is the vertex of
f(x) = 2(x - 5)² + 12

• (-5, -12)
• (5,-12)
• (5, 12)
• (-5, 12)

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7