TEKS.MATH.9-12.VII.A

In an exponential function, what does the 'a' represent? 

• SLOPE
• RATE OF CHANGE
• Y-INTERCEPT
• COMMON RATIO

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TEKS.MATH.9-12.VII.A

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

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TEKS.MATH.9-12.VII.A

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)
• (-3,4)
• (3, -4)
• (-3,-4)

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TEKS.MATH.9-12.VII.A

The grocery store sells cantaloupes for $4.50 per pound.  Is the function continuous or discrete?  Explain.

• continuous; you cannot have a fraction of a pound when you weigh cantaloupes
• continuous; you can have a fraction of a pound when you weigh cantaloupes
• discrete; you cannot have a fraction of a pound when you weigh cantaloupes
• discrete; you can have a fraction of a pound when you weigh cantaloupes

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TEKS.MATH.9-12.VII.A

find 

• y = 2 x^-1
• y=2 x^-2
• y= −2x^-2
• y= −2 x^-1

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TEKS.MATH.9-12.VII.A

TEKS.MATH.9-12.II.A

What is the name of this form:
y = ax² + bx + c

• vertex form
• standard form
• factored form
• zero form

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TEKS.MATH.9-12.VII.A

TEKS.MATH.9-12.II.A

TEKS.MATH.9-12.II.D.1

What is the correct function?

• A

• B

• C

• D

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TEKS.MATH.9-12.VII.A

Looks like a "V" when you graph it.

Also, the "distance from zero".

• Absolute Value

• Quadratics

• Exponential

• Linear

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TEKS.MATH.9-12.VII.A

This function represents the number of ants in a colony $f\left(x\right)=3\ \left(\ 2\right)^x$ What is the growth rate?

• The ants are growing by 3 times

• The ants are growing by 2 times

• The equation doesn't tell us

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TEKS.MATH.9-12.VII.A

Translate the function notation into a coordinate point.

 $f\left(-1\right)=5$  

•  $\left(-1,5\right)$  

•  $\left(1,5\right)$  

•  $\left(5,1\right)$  

•  $\left(5,-1\right)$  

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TEKS.MATH.9-12.VII.A

TEKS.MATH.9-12.II.D.2