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

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

What are the solutions?

• 0 and 8
• -2 and -4
• 3 and -1
• 2 and 4

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

If the discriminant is zero you will have

• no real solutions
• two real solutions
• 1 real solution
• 1 imaginary solution

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

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

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

Solve Using the quadratic formula

• A
• B
• C
• D

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

The discriminant of a quadratic equation is -12.  How many solutions will it have?

• 2 Real Solutions
• 1 Real Solution
• No Real Solutions
• Cannot be determined

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

What are the solutions for the equation 2x² + 16x = 18

• x = -1 and x = 9

• x = -9 and x = 1

• x = 2 and x= 18

• x = 2 and x = 16

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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

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

Factor completely.

x² - 5x - 6

• ( x - 2 ) ( x - 3 )

• ( x - 1 ) ( x + 6 )

• ( x - 2 ) ( x + 3 )

• ( x + 1 ) ( x - 6 )

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

Solve.

(x+10)(x-2) = 0

• x= 10 and 2

• x= -2 and 10

• x= -10 and 2

• x= -2 and -10

Tags

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