Quadratic Functions

Does the equation open or or down? 
Y = -3x² +7x - 2

• up
• down

Tags

CCSS.8.F.B.5

Which quadratic function is represented by the graph?

• y = 2(x - 4)² + 5
• y = 2(x + 4)² + 5
• y = -2(x - 4)² + 5
• y = -2(x + 4)² + 5

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.BF.B.3

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the vertex of the following equation?
y=5(x-3)²+5

• (3,5)
• (-3,5)
• (3, -5)
• (-3,-5)

Find the vertex   y = x² - 6x + 5

• V(-3, 8)
• V(-3, - 10)
• V(3, -4)
• V(3, 5)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Find the vertex.  y = -x² + 12x - 40

• V(6, -4)
• V(6, 8)
• V(6, 11)
• V(12, - 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Find the vertex  y = x² - 2x - 5

• V(-2, 10)
• V(-1, 15)
• V(1, -6)
• V(1, -12)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What are the green dots called?

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

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

What is the green dot on the parabola called?

• vertex
• root
• dot

What transformations of y = x² would create the graph of

y = (x - 7)² + 9?

• Shift down 7 and up 9

• Shift left 7 and up 9

• Shift right 7 and up 9

• Shift right 7 and down 9

Which function is graphed above?

• f(x) = (x - 2)²

• f(x) = (x + 2)²

• f(x) = x² - 2

• f(x) = x² + 2