A2_March10_QUIZ

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Find the axis of symmetry for f(x) = x² + 4x - 5 

• x = 2
• x = -2
• x = 4
• x = -4

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=2

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.D.10

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following functions graphs the parabola shown?

• y = x² - 4x + 1
• y = -2x² - 8x - 3
• y = x² - 4x + 5
• y = 2x² + 6x + 1

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following functions graphs the parabola shown?

• y = x² - 4x + 1
• y = -2x² - 8x - 3
• y = x² - 4x + 5
• y = 2x² + 6x + 1

Tags

CCSS.HSF-IF.C.7A

The equation h=-16t² +47t+3 gives the height h, in feet, of a football as a function of time t, in seconds, after it is kicked. What is the maximum height the football reaches?

• (-1.47,-100.66)
• (1.47,37.52)
• 37.52
• -100.66

Find the zeros of the function f(x) = x²+13x+30

• (x+3)(x+10)
• x = -3 and x= -10
• (x-3)(x-10)
• x= 3 and x=10

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Find the roots of the equation 32x-64=4x²

• (x-16)(x-16)
• x=16
• x= 4 and x= -4
• x = 4

Tags

CCSS.HSA-REI.B.4B

Graph the function f(x)=3x²+6x-6

• Vertex (-1, 3)
• Vertex (1,3)