Tema
Q:
8. \( f(x)=\log _{16} x \quad x=4 \)
Q:
3. \( \frac{1}{5}+\frac{12}{20}=\frac{1}{5}+\frac{12 \div \square}{20 \div \square} \)
Q:
Trace la gráfica de la función indicando el vértice, la concavidad y puntos de corte con el
eje "x" e "y":
\[ f(x)=x^{2}-6 x+8 \]
Q:
5) Solve for \( x \), correct to 3 decimal places.
\( \begin{array}{lll}\text { a) } x=\log _{3} 17 & \text { b) } \log _{2} 0.35=x\end{array} \)
Q:
Isabella ran taps around the park. She ran a total of \( 1 \frac{3}{4} \) miles. Each lap is \( \frac{1}{4} \) mile. Which equation can lsabella use to find out how many laps she ran?
A. \( \frac{1}{4} \div 1 \frac{3}{4}=\frac{1}{7} \)
C. \( 1 \frac{3}{4} \div \frac{1}{4}=7 \)
C. \( 1 \frac{3}{4}-\frac{1}{4}=1 \frac{1}{2} \)
D. \( 1 \frac{3}{4}+\frac{1}{4}=2 \)
Q:
4) Evaluate without a calculator using the power law of logarithms.
\( \begin{array}{ll}\text { a) } \log _{2} 32^{3} & \text { b) } \log 1000^{-2}\end{array} \)
Q:
3) Evaluate without a calculator. Show your work.
\( \begin{array}{ll}\text { a) } \log _{2} 16 & \text { b) } \log _{3} 81\end{array} \)
Q:
Multiple Choice 10 points
Describe the transformation from the parent graph of \( y=x^{2} \) to the graph of \( y=\frac{1}{3} x^{2}-5 \).
Shrink (compress) by -5 and shift up 1 and right 3 units
Stretch by \( \frac{1}{3} \) and shift left 5 units
Stretch by -5 and shift up 1 and right 3 units
Shrink (compress) by \( \frac{1}{3} \) and shift down 5 units
Q:
A school survey asked the students what their favorite school lunch entrée was. The
tape diagram represents the ratio of two of the responses.
Sixty-six students said their favorite school lunch entrée was a hamburger. How many
said pizza?
Q:
Rewrite the exponential expression as a radical expression.
\[ 6^{1 / 3} \]
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