Standard Form Support Practice (U4P3)

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

Identify a, b, and c:

x² + 2x - 8 = 0

• a = 1, b = 2, c = -8

• a = 1, b = 2, c = 0

• a = x², b = 2x, c = 8

• a = 1, b = -2, c = 8

Identify a, b, and c:

2x² - x - 13 = 2

• a = 2, b = 1, c = 15

• a = 2, b = -1, c = -13

• a = 2, b = -1, c = -15

• a = 2, b = -1, c = 11

What is the axis of symmetry for a quadratic equation with a vertex of (⅙, 4)

• x=⅙
• x=4

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A

What is the formula above primarily used for?

• Finding the axis of symmetry from standard form
• Finding the vertex from standard form
• Finding the vertex from vertex form
• Finding the vertex from standard form

Tags

CCSS.HSA.REI.B.4

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSA.SSE.A.1

Find the Vertex:
f(x) = x² + 10x + 21

• (-5,-4)
• (1,10)
• (10,21)
• No Real Solution

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Find the Vertex:
y = x² + 6x + 2

• (-3,-7)
• (1,6)
• (6,2)
• No Real Solution

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the y-intercept of 
f(x)=2x² + 4x + 6

• (6 , 0)
• (-6 , 0)
• (0, -6)
• (0 , 6)

Tags

CCSS.HSF-IF.C.7A