Question 1

Solve the problem.
-$$\text { If a polygon, of } n \text { sides has } \frac { 1 } { 2 } n ( n - 3$$

Accepted Answer

A)  28 sides 
B)  26 sides 
C)  29 sides 
D)  27 sides 
A)  28 sides 
B)  26 sides 
C)  29 sides 
D)  27 sides

Question 2

Determine where the function is increasing and where it is decreasing.
-$$f ( x ) = - 2 x ^ { 2 } - 2 x - 9$$

Accepted Answer

A)  decreasing on $\left( - \infty , - \frac { 1 } { 2 } \right)$
increasing on $\left( - \frac { 1 } { 2 } , \infty \right)$ 
B)  increasing on $\left( - \frac { 1 } { 2 } ,\infty , \right)$
decreasing on $\left( -\frac { 1 } { 2 } , \infty \right)$ 
C)  increasing on $\left( - \infty , \frac { 1 } { 2 } \right)$
decreasing on $\left( \frac { 1 } { 2 } , \infty \right)$ 
D)  increasing on $\left( - \infty , - \frac { 17 } { 2 } \right)$
decreasing on $\left( - \frac { 17 } { 2 } , \infty \right)$ 
A)  decreasing on $\left( - \infty , - \frac { 1 } { 2 } \right)$
increasing on $\left( - \frac { 1 } { 2 } , \infty \right)$ 
B)  increasing on $\left( - \frac { 1 } { 2 } ,\infty , \right)$
decreasing on $\left( -\frac { 1 } { 2 } , \infty \right)$ 
C)  increasing on $\left( - \infty , \frac { 1 } { 2 } \right)$
decreasing on $\left( \frac { 1 } { 2 } , \infty \right)$ 
D)  increasing on $\left( - \infty , - \frac { 17 } { 2 } \right)$
decreasing on $\left( - \frac { 17 } { 2 } , \infty \right)$

Question 3

Plot a scatter diagram.
-$$\begin{array} { l | l l l l l l l l l } 
\mathrm { x } & 18 & 25 & 29 & 47 & 59 & 67 & 74 & 83 & 85 \
\hline \mathrm { y } & 13 & 27 & 35 & 46 & 69 & 52 & 66 & 95 & 75
\end{array}$$

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 4

Find the complex zeros of the quadratic function.
Solve the inequality. Express your answer using interval notation. Graph the solution set.
-$$| 2 \mathrm { k } + 1 | + 8 > 12$$

Accepted Answer

A)  $\left( \frac { 3 } { 2 } , \infty \right)$
  
B)  $\left( - \frac { 5 } { 2 } , \frac { 3 } { 2 } \right)$
  
C)  $\left( - \infty , - \frac { 5 } { 2 } \right) \cup \left( \frac { 3 } { 2 } , \infty \right)$
  
D)  $\left( - \infty , - \frac { 5 } { 2 } \right] \cup \left[ \frac { 3 } { 2 } , \infty \right)$
  
A)  $\left( \frac { 3 } { 2 } , \infty \right)$
  
B)  $\left( - \frac { 5 } { 2 } , \frac { 3 } { 2 } \right)$
  
C)  $\left( - \infty , - \frac { 5 } { 2 } \right) \cup \left( \frac { 3 } { 2 } , \infty \right)$
  
D)  $\left( - \infty , - \frac { 5 } { 2 } \right] \cup \left[ \frac { 3 } { 2 } , \infty \right)$

Question 5

Graph the function f by starting with the graph of y = xS1U1P12S1S1P0 and using transformations (shifting, compressing, stretching,
and/or reflection).
-f(x)=-x2+8x-9

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 6

Determine the quadratic function whose graph is given.
-A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 160 ft/sec, and the gorge is 336 ft deep, during what interval can the flare be seen? (h = -16t2 + vot +
Ho))

Accepted Answer

A)  0 < t < 3 
B)  3 < t < 7 
C)  6 < t < 10 
D)  9 < t < 13 
A)  0 < t < 3 
B)  3 < t < 7 
C)  6 < t < 10 
D)  9 < t < 13

Question 7

Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.
-$$g ( x ) = 9 x ^ { 2 } - 1$$

Accepted Answer

A)  $x = \frac { 1 } { 3 } , x = - \frac { 1 } { 3 }$ 
B)  $x = \frac { 1 } { 3 } , x = 0$ 
C)  $x = \frac { 1 } { 3 }$ 
D)  $x = - \frac { 1 } { 3 }$ 
A)  $x = \frac { 1 } { 3 } , x = - \frac { 1 } { 3 }$ 
B)  $x = \frac { 1 } { 3 } , x = 0$ 
C)  $x = \frac { 1 } { 3 }$ 
D)  $x = - \frac { 1 } { 3 }$

Question 8

Use the slope and y-intercept to graph the linear function.
-p(x)=-x-4

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 9

Determine the domain and the range of the function.
-$f ( x ) = x ^ { 2 } + 6 x + 5$

Accepted Answer

A)  domain: range: {x|x ≥ 3} 
B)  domain: all real numbers range: {y|y ≥ -4} range: {y|y ≥ 4} 
C)  domain: range: {x|x ≥ 3}. 
D)  domain: all real numbers range: {y|y ≥ 4} range: {y|y ≥ -4} 
A)  domain: range: {x|x ≥ 3} 
B)  domain: all real numbers range: {y|y ≥ -4} range: {y|y ≥ 4} 
C)  domain: range: {x|x ≥ 3}. 
D)  domain: all real numbers range: {y|y ≥ 4} range: {y|y ≥ -4}

Question 10

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
-$$\begin{array} { c | c c c c c c } 
\mathrm { x } & 1 & 2 & 3 & 4 & 5 & 6 \
\hline \mathrm { y } & 17 & 20 & 19 & 22 & 21 & 24
\end{array}$$

Accepted Answer

A)  y = 1.03x + 16.4 
B)  y = 1.03x + 18.9 
C)  y = 1.17x + 16.4 
D)  y = 1.17x + 18.9 
A)  y = 1.03x + 16.4 
B)  y = 1.03x + 18.9 
C)  y = 1.17x + 16.4 
D)  y = 1.17x + 18.9

Solve the problem. - $\text { If a polygon, of } n \text { sides has } \frac { 1 } { 2 } n ( n - 3$

Determine where the function is increasing and where it is decreasing. - $f ( x ) = - 2 x ^ { 2 } - 2 x - 9$

Plot a scatter diagram. - 18 25 29 47 59 67 74 83 85 13 27 35 46 69 52 66 95 75 $Plot a scatter diagram. - \begin{array} { l | l l l l l l l l l } \mathrm { x } & 18 & 25 & 29 & 47 & 59 & 67 & 74 & 83 & 85 \\ \hline \mathrm { y } & 13 & 27 & 35 & 46 & 69 & 52 & 66 & 95 & 75 \end{array}$

Graph the function f by starting with the graph of y = x² and using transformations (shifting, compressing, stretching, and/or reflection). -f(x)=-x²+8x-9

Determine the quadratic function whose graph is given. -A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 160 ft/sec, and the gorge is 336 ft deep, during what interval can the flare be seen? (h = -16t² + vot + Ho))

Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function. - $g ( x ) = 9 x ^ { 2 } - 1$

Use the slope and y-intercept to graph the linear function. -p(x)=-x-4

Determine the domain and the range of the function. - $f ( x ) = x ^ { 2 } + 6 x + 5$

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary. - 1 2 3 4 5 6 17 20 19 22 21 24

Functions and Their Graphs

Polynomial and Rational Functions

Conics

Systems of Equations and Inequalities

Sequences; Induction; the Binomial Theorem

Counting and Probability

Filters

Exam 2: Linear and Quadratic Functions

Solve the problem. - If a polygon, of n sides has 12n(n−3\text { If a polygon, of } n \text { sides has } \frac { 1 } { 2 } n ( n - 3 If a polygon, of n sides has 21​n(n−3

Determine where the function is increasing and where it is decreasing. - f(x)=−2x2−2x−9f ( x ) = - 2 x ^ { 2 } - 2 x - 9f(x)=−2x2−2x−9

Plot a scatter diagram. - 18 25 29 47 59 67 74 83 85 13 27 35 46 69 52 66 95 75

Find the complex zeros of the quadratic function. Solve the inequality. Express your answer using interval notation. Graph the solution set. - ∣2k+1∣+8>12| 2 \mathrm { k } + 1 | + 8 > 12∣2k+1∣+8>12

Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection). -f(x)=-x2+8x-9

Determine the quadratic function whose graph is given. -A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 160 ft/sec, and the gorge is 336 ft deep, during what interval can the flare be seen? (h = -16t2 + vot + Ho))

Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function. - g(x)=9x2−1g ( x ) = 9 x ^ { 2 } - 1g(x)=9x2−1

Use the slope and y-intercept to graph the linear function. -p(x)=-x-4

Determine the domain and the range of the function. - f(x)=x2+6x+5f ( x ) = x ^ { 2 } + 6 x + 5f(x)=x2+6x+5

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary. - 1 2 3 4 5 6 17 20 19 22 21 24

Functions and Their Graphs

Polynomial and Rational Functions

Conics

Systems of Equations and Inequalities

Sequences; Induction; the Binomial Theorem

Counting and Probability

Filters

Solve the problem. - $\text { If a polygon, of } n \text { sides has } \frac { 1 } { 2 } n ( n - 3$

Determine where the function is increasing and where it is decreasing. - $f ( x ) = - 2 x ^ { 2 } - 2 x - 9$

Plot a scatter diagram. - 18 25 29 47 59 67 74 83 85 13 27 35 46 69 52 66 95 75 $Plot a scatter diagram. - \begin{array} { l | l l l l l l l l l } \mathrm { x } & 18 & 25 & 29 & 47 & 59 & 67 & 74 & 83 & 85 \\ \hline \mathrm { y } & 13 & 27 & 35 & 46 & 69 & 52 & 66 & 95 & 75 \end{array}$

Graph the function f by starting with the graph of y = x² and using transformations (shifting, compressing, stretching, and/or reflection). -f(x)=-x²+8x-9

Determine the quadratic function whose graph is given. -A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 160 ft/sec, and the gorge is 336 ft deep, during what interval can the flare be seen? (h = -16t² + vot + Ho))

Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function. - $g ( x ) = 9 x ^ { 2 } - 1$

Determine the domain and the range of the function. - $f ( x ) = x ^ { 2 } + 6 x + 5$