Final Exam Practice Test

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

What is the "formula" for finding the axis of symmetry? 

• x = -4

• x = 4

• y = 4

• y = -4

What is the discriminant of 6x² − 2x − 3 = 0

• 76

• 29

• 68

• none of these

Tags

CCSS.HSA-REI.B.4B

• (-4, 63)

• (-4, 31)

• (4, -1)

• (4, -31)

Tags

CCSS.HSA-REI.B.4B

Solve by the Square Root method:

-5x² = -50

• ± 5

• ± 10

• ± √10

• -10

Tags

CCSS.HSA-REI.B.4B

2x²-x -3=0

• x=-3/2  x=1
• x= 3/2 x= -1
• x= -3/2 x= -1
• x= 3/2 x= 1

Tags

CCSS.HSA-REI.B.4B

What are the transformations of this functions compared to the parent function?

• Shifted right 5, shifted down 2, and reflected over the x-axis
• Reflected over the x-axis, twice as steep, and shifted right 5
• Reflected over the x-axis, twice as steep, and shifted left 5
• Shifted right 5, shifted down 2

Tags

CCSS.HSF.BF.B.3

What is the domain of this function?
f(x) = √(x-1) -3

• x ≥ 1

• x ≤1

• x ≥ -3

• x ≥ -1