Quadratic Solving Multiple Choice

6x² - x - 2 = 0

• x= -2/3, 1/2

• x= 2/3, -1/2

• x= -2/3, -1/2

• x = -4, 3

Tags

CCSS.HSA-REI.B.4B

x² + 15x + 44 = 0

• {-8, 2}

• {-7, 5}

• {-11, -4}

• {-11}

Tags

CCSS.HSA-REI.B.4B

What is the discriminant of this graph?

• Positive

• Zero

• Negative

What is the quadratic formula?

• 
• 
• 
• 

Tags

CCSS.HSA-REI.B.4B

The function f(t) = -5t²+20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground? 

• 4 seconds

• -2 seconds

• -6 seconds

• 6 seconds

Solve the Quadratic:

a² + 2a = 24

(Type your answer in with NO spaces)

(Sample answer: 2,-8)

Tags

CCSS.HSA-REI.B.4B

Solve the Quadratic:

2x² + 17x + 21 = 0

• x= ^-21/₂, -17

• x= ²/₃, 16

• x=-7, ^-3/₂

• x=15, -³/₇

Tags

CCSS.HSA-REI.B.4B

• a = ^-3/₄, ³/₄ 

• a = ^-4/₃, ⁴/₃ 

• a = ^-9/₁₆, ⁹/₁₆ 

• a = ^-16/₉, ¹⁶/₉ 

Tags

CCSS.HSA-REI.B.4B

• n = -4, n = 2

• n = -2, n = 4

• n = -16

• n = -4

Tags

CCSS.HSA-REI.B.4B

Solve the Quadratic:

k² - 6 = 43

(Type your answer in with NO spaces)

(Sample answer: 2,-8)

Tags

CCSS.8.EE.A.2