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

Solve
x² + 13x + 12 = 0

• x = -12, -1
• x = 12, 1
• x = 13, 1
• x = -13, -1

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

f(x)=x²-5x
f(4)=

• -4
• 126
• 24
• 84

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

What do you do to the b value to correctly complete the square?

• square it
• divide it by 2 and square the result
• divide it by 2 and take the square root of the result
• divide it by 2 only

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

Is this a max or min?

• max
• min
• cannot be determined

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

Find the roots: 5x² + 31x + 6 = 0

• x = -1 and x = -6

• x = -1/5 and x = 6

• x = -1/5 and x = -6

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

What is the discriminant of this equation?

-5x² - 6 = 0

• 120

• 36

• 16

• -120

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

The U-Shaped curve of a quadratic equations is called a ______

• parabola

• maximum

• minimum

• bolapara

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

If one factor of this Trinomial is (x-3), what is the other factor?

x² +17x - 60

• (x - 20)

• (x + 12)

• (x + 5)

• (x + 20)

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

Solve by completing the square:

x² + 10x = -9

• 1 and -12

• -1 and -9

• 1 and -9

• 1 and -1

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

Find the Axis of Symmetry of the following Quadratic Function:

 $y=x^2+6x+5$  

•  $x=6$  

•  $x=5$  

•  $x=-5$  

•  $x=-1$  

•  $x=-3$  

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