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

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

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

Tags

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

Solve using square roots.

• √3
• ±√3
• -3
• No real solution

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

Factor
k² -2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Tags

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

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

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.
What is the maximum height?

• 960 feet
• 1008 feet
• 1024 feet
• 1152 feet

Tags

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

The non-zero root of the equation 3x - 5x² = 0 is_____

• 3⁄5
• 5⁄3
• -3⁄5
• -5⁄3

Tags

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

The discriminant is

• aX²  + bX  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Tags

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

1 What does the discriminant tell us?

• The maximum or minimum

• The y-intercept

• The number and type of solutions

• The axis of symmetry

Tags

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

The area of a certain rhombus is given by the equation L² - 5L = 6 where l represents the length of the rhombus in centimeters. What is the length of the rhombus?

• 6 cm

• -6 cm

• 1 cm

• -1 cm

Tags

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

Factor completely.

x² - 12x + 27

• ( x + 3 ) ( x - 9 )

• ( x - 3 ) ( x - 9 )

• ( x - 3 ) ( x + 9 )

• ( x + 3 ) ( x + 9 )

Tags

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