TEKS.MATH.9-12.II.A

Rewrite log₂8 = 3 in exponential form.

• 2⁸ = 3
• 2³ = 8
• 3² = 8
• 8³ = 2

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TEKS.MATH.9-12.II.A

What is the algebraic expression for "Twice x, decreased by 9?"

• 9 - 2x
• 2 + x - 9
• 2x - 9
• 2x / 9

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TEKS.MATH.9-12.II.A

log₉(x)+log₉(x+2)=log₉(35)

• 5
• -7
• 5, -7
• -7, -13

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TEKS.MATH.9-12.II.A

Find the equation of the line that passes through the points:

(-2, 4) and (1, 10)

• y = 2x - 1

• y = -2x + 1

• y = 2x + 8

• y = -2x

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TEKS.MATH.9-12.II.A

Which of these represents point-slope form of a linear equation?

• y - y₁ = m(x - x₁)
• Ax + By = C
• y = mx + b

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TEKS.MATH.9-12.II.A

What is the parent equation?

• y = √x

• y = x²

• y = 2^x

• y = ∣x∣

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TEKS.MATH.9-12.II.A

Write the equation of a circle with center (7, 0) with radius 3.

• (x - 7)² + y² = 9

• x² + (y -7)² = 9

• (x - 7)² + y² = 3

• x² + (y -7)² = 3

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TEKS.MATH.9-12.II.A

 $A=\frac{\pi r^2S}{360}$  

Solve for S

•  $S=\frac{360A}{\pi r^2}$  

•  $S=360A-\pi r^2$  

•  $S=\frac{A-360}{\pi r^2}$  

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TEKS.MATH.9-12.II.A

The population of carp is cut in half every day. The population starts out with 1500 carp.

• $y=1500\left(\frac{1}{2}\right)^x$

• $y=1500\left(2\right)^x$

• $y=1500\left(\frac{1}{2}\right)^{\frac{x}{2}}$

• $y=\frac{1}{2}\left(1500\right)^x$

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TEKS.MATH.9-12.II.A

 $\frac{\text{d}}{\text{d}x}\left(\ln x\right)=$  

•  $\frac{1}{x}$  

•  $\frac{1}{x\ln x}$  

•  $\ln x$  

•  $e^x$  

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TEKS.MATH.9-12.II.A