Question 1

Use technology to compute $r$, the correlation coefficient.
-Consider the data points with the following coordinates:

Accepted Answer

A)  0537 
B)  -.0781 
C)  2245 
D)  5370 
A)  0537 
B)  -.0781 
C)  2245 
D)  5370

Question 2

Solve the inequality.
-A salesperson has two job offers. Company A offers a weekly salary of $\$ 300$ plus commission of $10 \%$ of sales. Company B offers a weekly salary of $\$ 600$ plus commission of $5 \%$ of sales. What is the amount of sales above which Company A's offer is the better of the two?

Accepted Answer

A)  $\$ 6000$ 
B)  $\$ 3000$ 
C)  $\$ 6100$ 
D)  $\$ 12,000$ 
A)  $\$ 6000$ 
B)  $\$ 3000$ 
C)  $\$ 6100$ 
D)  $\$ 12,000$

Question 3

Find the slope of the line, if it is defined.
-Through $(1,5)$ and $(5,5)$

Accepted Answer

A)  3 
B)  0 
C)  1 
D)  7 
A)  3 
B)  0 
C)  1 
D)  7

Question 4

Solve the inequality.
-Fantastic Flags, Inc., finds that the cost to make $x$ flags is $C=39 x+14,869$, while the revenue produced from them is $\mathrm{R}=44 \mathrm{x}$ ( $\mathrm{C}$ and $\mathrm{R}$ are in dollars). What is the smallest whole number of flags, $x$, that must be sold for the company to show a profit?

Accepted Answer

A)  74,345 
B)  $1,234,127$ 
C)  180 
D)  2974 
A)  74,345 
B)  $1,234,127$ 
C)  180 
D)  2974

Question 5

Use technology to compute $r$, the correlation coefficient.
-Consider the data points with the following coordinates:

Accepted Answer

A)  7537 
B)  -.7749 
C)  0 
D)  -.0810 
A)  7537 
B)  -.7749 
C)  0 
D)  -.0810

Question 6

Find the $x$ - and $y$-intercepts for the equation. Then graph the equation.
-$5 x-20 y=20$

Accepted Answer

A)    
B)    
A)    
B)

Question 7

Solve the inequality and graph the solution.
-$|4 s-7|>|s-9|$

Accepted Answer

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

Question 8

Find an equation of the line with slope m that passes through the given point. Put the answer in slope-intercept form.
-$(-9,4)$, undefined slope

Accepted Answer

A)  $y=4$ 
B)  $y=x-\frac{9}{4}$ 
C)  $y=x+\frac{9}{4}$ 
D)  $x=-9$ 
A)  $y=4$ 
B)  $y=x-\frac{9}{4}$ 
C)  $y=x+\frac{9}{4}$ 
D)  $x=-9$

Question 9

Solve the problem.
-The equation $y=0.002 x+0.20$ can be used to determine the approximate cost, $y$ in dollars, of producing $x$ items. How many items must be produced so the cost will be no more than $\$ 105$ ?

Accepted Answer

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

Question 10

Solve the inequality.
-The equation $y=0.002 x+0.30$ can be used to determine the approximate profit, $y$ in dollars, of producing $\mathrm{x}$ items. How many items must be produced so the profit will be at least $\$ 4645$ ?

Accepted Answer

A)    
B)  $x<2,322,350$ 
C)  $x \geq 2,322,650$ 
D)  $x \geq 2,322,350$ 
A)    
B)  $x<2,322,350$ 
C)  $x \geq 2,322,650$ 
D)  $x \geq 2,322,350$

Question 11

Choose one of the four lines graphed which most closely resembles the graph of the given equation.
-$y=-2 x$

Accepted Answer

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

Question 12

Use a graphing calculator to find the graph of the equation.
-$y=-(x-1)^{4}+5$

Accepted Answer

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

Question 13

Solve and graph the inequality and graph the solution.
-$3+11 y+1 \geq 10 y+13$

Accepted Answer

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

Question 14

Find the x-intercepts and y-intercepts of the graph of the equation.
-$4 x+y=-8$

Accepted Answer

A)  $x$-intercept: $8 ; y$-intercept: -4 
B)  $x$-intercept: $-8 ; y$-intercept: -2 
C)  $x$-intercept: $-2 ; y$-intercept: -8 
D)  $x$-intercept: $-4 ; y$-intercept: 8 
A)  $x$-intercept: $8 ; y$-intercept: -4 
B)  $x$-intercept: $-8 ; y$-intercept: -2 
C)  $x$-intercept: $-2 ; y$-intercept: -8 
D)  $x$-intercept: $-4 ; y$-intercept: 8

Question 15

sketch the graph of the equation.
-$y=x^{3}+6$

Accepted Answer

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

Use technology to compute $r$ , the correlation coefficient. -Consider the data points with the following coordinates:

Find the slope of the line, if it is defined. -Through $(1,5)$ and $(5,5)$

Use technology to compute $r$ , the correlation coefficient. -Consider the data points with the following coordinates:

Find the $x$ - and $y$ -intercepts for the equation. Then graph the equation. - $5 x-20 y=20$

Solve the inequality and graph the solution. - $|4 s-7|>|s-9|$

Find an equation of the line with slope m that passes through the given point. Put the answer in slope-intercept form. - $(-9,4)$ , undefined slope

Solve the problem. -The equation $y=0.002 x+0.20$ can be used to determine the approximate cost, $y$ in dollars, of producing $x$ items. How many items must be produced so the cost will be no more than $\$ 105$ ?

Solve the inequality. -The equation $y=0.002 x+0.30$ can be used to determine the approximate profit, $y$ in dollars, of producing $\mathrm{x}$ items. How many items must be produced so the profit will be at least $\$ 4645$ ?

Choose one of the four lines graphed which most closely resembles the graph of the given equation. - $y=-2 x$

Use a graphing calculator to find the graph of the equation. - $y=-(x-1)^{4}+5$ $Use a graphing calculator to find the graph of the equation. - y=-(x-1)^{4}+5$

Solve and graph the inequality and graph the solution. - $3+11 y+1 \geq 10 y+13$ $Solve and graph the inequality and graph the solution. - 3+11 y+1 \geq 10 y+13$

Find the x-intercepts and y-intercepts of the graph of the equation. - $4 x+y=-8$

sketch the graph of the equation. - $y=x^{3}+6$ $sketch the graph of the equation. - y=x^{3}+6$

Algebra and Equations

Functions and Graphs

Exponential and Logarithmic Functions

Mathematics of Finance

Systems of Linear Equations and Matrices

Linear Programming

Sets and Probability

Counting, Probability Distributions, and Further Topics in Probability

Introduction to Statistics

Differential Calculus

Applications of the Derivative

Integral Calculus

Multivariate Calculus

Filters

Exam 2: Graphs, Lines, and Inequalities

Use technology to compute rrr , the correlation coefficient. -Consider the data points with the following coordinates:

Find the slope of the line, if it is defined. -Through (1,5)(1,5)(1,5) and (5,5)(5,5)(5,5)

Use technology to compute rrr , the correlation coefficient. -Consider the data points with the following coordinates:

Find the xxx - and yyy -intercepts for the equation. Then graph the equation. - 5x−20y=205 x-20 y=205x−20y=20

Solve the inequality and graph the solution. - ∣4s−7∣>∣s−9∣|4 s-7|>|s-9|∣4s−7∣>∣s−9∣

Find an equation of the line with slope m that passes through the given point. Put the answer in slope-intercept form. - (−9,4)(-9,4)(−9,4) , undefined slope

Solve the problem. -The equation y=0.002x+0.20y=0.002 x+0.20y=0.002x+0.20 can be used to determine the approximate cost, yyy in dollars, of producing xxx items. How many items must be produced so the cost will be no more than $105\$ 105$105 ?

Solve the inequality. -The equation y=0.002x+0.30y=0.002 x+0.30y=0.002x+0.30 can be used to determine the approximate profit, yyy in dollars, of producing x\mathrm{x}x items. How many items must be produced so the profit will be at least $4645\$ 4645$4645 ?

Choose one of the four lines graphed which most closely resembles the graph of the given equation. - y=−2xy=-2 xy=−2x

Use a graphing calculator to find the graph of the equation. - y=−(x−1)4+5y=-(x-1)^{4}+5y=−(x−1)4+5

Solve and graph the inequality and graph the solution. - 3+11y+1≥10y+133+11 y+1 \geq 10 y+133+11y+1≥10y+13

Find the x-intercepts and y-intercepts of the graph of the equation. - 4x+y=−84 x+y=-84x+y=−8

sketch the graph of the equation. - y=x3+6y=x^{3}+6y=x3+6

Algebra and Equations

Functions and Graphs

Exponential and Logarithmic Functions

Mathematics of Finance

Systems of Linear Equations and Matrices

Linear Programming

Sets and Probability

Counting, Probability Distributions, and Further Topics in Probability

Introduction to Statistics

Differential Calculus

Applications of the Derivative

Integral Calculus

Multivariate Calculus

Filters

Use technology to compute $r$ , the correlation coefficient. -Consider the data points with the following coordinates:

Find the slope of the line, if it is defined. -Through $(1,5)$ and $(5,5)$

Use technology to compute $r$ , the correlation coefficient. -Consider the data points with the following coordinates:

Find the $x$ - and $y$ -intercepts for the equation. Then graph the equation. - $5 x-20 y=20$

Solve the inequality and graph the solution. - $|4 s-7|>|s-9|$

Find an equation of the line with slope m that passes through the given point. Put the answer in slope-intercept form. - $(-9,4)$ , undefined slope

Solve the problem. -The equation $y=0.002 x+0.20$ can be used to determine the approximate cost, $y$ in dollars, of producing $x$ items. How many items must be produced so the cost will be no more than $\$ 105$ ?

Solve the inequality. -The equation $y=0.002 x+0.30$ can be used to determine the approximate profit, $y$ in dollars, of producing $\mathrm{x}$ items. How many items must be produced so the profit will be at least $\$ 4645$ ?

Choose one of the four lines graphed which most closely resembles the graph of the given equation. - $y=-2 x$

Use a graphing calculator to find the graph of the equation. - $y=-(x-1)^{4}+5$ $Use a graphing calculator to find the graph of the equation. - y=-(x-1)^{4}+5$

Solve and graph the inequality and graph the solution. - $3+11 y+1 \geq 10 y+13$ $Solve and graph the inequality and graph the solution. - 3+11 y+1 \geq 10 y+13$

Find the x-intercepts and y-intercepts of the graph of the equation. - $4 x+y=-8$

sketch the graph of the equation. - $y=x^{3}+6$ $sketch the graph of the equation. - y=x^{3}+6$