CCSS.Math.Content.HSA.REI.B.4

Solve the following equation by completing the square:
n² - 2n - 3 = 0

• {3 and-1}
• {4 and -4}
• {5 and -3}
• {8 and -7}

Tags

CCSS.Math.Content.HSA.REI.B.4

A ball is thrown into the air with an upward velocity of 100 ft/s. Its height, h, after t seconds is given by the function
 h = -16t² + 64t + 960.
How many seconds did it take for the ball to reach its maximum height?

• 10 seconds
• 64 seconds
• 960 seconds
• 2 seconds

Tags

CCSS.Math.Content.8.F.A.1

CCSS.Math.Content.HSA.REI.B.4

What is the Axis of Symmetry?

• x = -8
• x = -4
• x = 4
• x = -2

Tags

CCSS.Math.Content.HSA.REI.B.4

m²-10m=0

• m=0 and m=-10
• m=1 and m=10
• m=0 and m=10
• m=1 and m=-10

Tags

CCSS.Math.Content.HSA.REI.B.4

What are the solutions for the quadratic equation x² + 6x = 16

• -2, -8
• -2, 8
• 2, -8
• 2, 8

Tags

CCSS.Math.Content.HSA.REI.B.4

What is the axis of symmetry (line of symmetry)?

• -3
• -1
• x=-3
• x=-1

Tags

CCSS.Math.Content.HSA.REI.B.4

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

• x=-8
• x=1
• x=-1
• x=2

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve by factoring:
x² - 6x + 5 = 0

• -6, -1
• -5, -1 
• 1, 6
• 5, 1

Tags

CCSS.Math.Content.HSA.REI.B.4

2 A function has a discriminant of 4.

How many x-intercepts does it have?

• 0

• 1

• 2

• 4

Tags

CCSS.Math.Content.HSA.REI.B.4

2(x - 8)² + 40 = 16

• x = 8 ± 2i√3

• x = 8 ± √-12

• x = -8 ± 2i√3

• x = 8 ± 3i√2

Tags

CCSS.Math.Content.HSA.REI.B.4