Question 1

Solve the inequality.
-$t^{2}-2 t-3 \leq 0$

Accepted Answer

A)  $(-\infty,-1]$ or $[3, \infty)$ 
B)  $[-1,3]$ 
C)  $(-\infty,-1]$ 
D)  $[3, \infty)$ 
A)  $(-\infty,-1]$ or $[3, \infty)$ 
B)  $[-1,3]$ 
C)  $(-\infty,-1]$ 
D)  $[3, \infty)$

Question 2

Solve the problem.
-During the month of January, the depth, $d$, of snow in inches at the base of one ski resort could be approximated by $\mathrm{d}=-2 \mathrm{t}+67$, where $\mathrm{t}$ is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 24th.

Accepted Answer

A)  43 inches 
B)  27 inches 
C)  19 inches 
D)  24 inches 
A)  43 inches 
B)  27 inches 
C)  19 inches 
D)  24 inches

Question 3

Graph the linear equation.
-$6 x-y=0$

Accepted Answer

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

Question 4

Solve the problem.
-During the first four months of the year, Jack earned $\$ 980, \$ 950, \$ 1200$ and $\$ 520$. If Jack must have an average salary of at least $\$ 850$ in order to earn retirement benefits, what must Jack earn in the fifth month in order to qualify for benefits?

Accepted Answer

A)  at most $\$ 913$ 
B)  at least $\$ 600$ 
C)  at least $\$ 900$ 
D)  at most $\$ 850$ 
A)  at most $\$ 913$ 
B)  at least $\$ 600$ 
C)  at least $\$ 900$ 
D)  at most $\$ 850$

Question 5

Find the x-intercepts and y-intercepts of the graph of the equation.
-$y=x^{2}+1$

Accepted Answer

A)  $y$-intercept: $-1 ; x$-intercept: 1 
B)  $x$-intercept: 1; no y-intercepts 
C)  $y$-intercept: 0; no $x$-intercepts 
D)  $y$-intercept: 1 ; no $x$-intercepts 
A)  $y$-intercept: $-1 ; x$-intercept: 1 
B)  $x$-intercept: 1; no y-intercepts 
C)  $y$-intercept: 0; no $x$-intercepts 
D)  $y$-intercept: 1 ; no $x$-intercepts

Question 6

Find the slope of the line, if it is defined.
-Through $(4,-8)$ and $(8,3)$

Accepted Answer

A)  -5 
B)  $2 \frac{3}{4}$ 
C)  $2 \frac{4}{3}$ 
D)  Undefined 
A)  -5 
B)  $2 \frac{3}{4}$ 
C)  $2 \frac{4}{3}$ 
D)  Undefined

Question 7

Find the slope and the y-intercept of the line.
-$2 x-3 y=-22$

Accepted Answer

A)  $\mathrm{m}=\frac{3}{2} ; \mathrm{b}=\frac{22}{3}$ 
B)  $\mathrm{m}=-\frac{2}{3}$; $\mathrm{b}=-22$ 
C)  $\mathrm{m}=\frac{2}{3} ; \mathrm{b}=\frac{22}{3}$ 
D)  $\mathrm{m}=-\frac{3}{2} ; \mathrm{b}=-3$ 
A)  $\mathrm{m}=\frac{3}{2} ; \mathrm{b}=\frac{22}{3}$ 
B)  $\mathrm{m}=-\frac{2}{3}$; $\mathrm{b}=-22$ 
C)  $\mathrm{m}=\frac{2}{3} ; \mathrm{b}=\frac{22}{3}$ 
D)  $\mathrm{m}=-\frac{3}{2} ; \mathrm{b}=-3$

Question 8

Give the x-intercepts and y-intercepts of the graph.
-

Accepted Answer

A)  $x$-intercept: 5 
B)  y-intercept: 5 
C)  $y$-intercept: -5 
D)  $x$-intercept: -5 
A)  $x$-intercept: 5 
B)  y-intercept: 5 
C)  $y$-intercept: -5 
D)  $x$-intercept: -5

Question 9

Find the slope and the y-intercept of the line.
-$4 x+5 y=18$

Accepted Answer

A)  $\mathrm{m}=-\frac{4}{5} ; \mathrm{b}=\frac{18}{5}$ 
B)  $\mathrm{m}=-\frac{5}{4} ; \mathrm{b}=5$ 
C)  $\mathrm{m}=\frac{4}{5} ; \mathrm{b}=18$ 
D)  $\mathrm{m}=\frac{5}{4} ; \mathrm{b}=\frac{18}{5}$ 
A)  $\mathrm{m}=-\frac{4}{5} ; \mathrm{b}=\frac{18}{5}$ 
B)  $\mathrm{m}=-\frac{5}{4} ; \mathrm{b}=5$ 
C)  $\mathrm{m}=\frac{4}{5} ; \mathrm{b}=18$ 
D)  $\mathrm{m}=\frac{5}{4} ; \mathrm{b}=\frac{18}{5}$

Question 10

Find the slope of the line, if it is defined.
-Through $(2,-3)$ and $(-3,7)$

Accepted Answer

A)  -2 
B)  10 
C)  5 
D)  2 
A)  -2 
B)  10 
C)  5 
D)  2

Question 11

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

Accepted Answer

A)  0 
B)  -.4622 
C)  4622 
D)  4114 
A)  0 
B)  -.4622 
C)  4622 
D)  4114

Question 12

sketch the graph of the equation.
-$y=\sqrt{x+5}$

Accepted Answer

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

Question 13

Solve the inequality and graph the solution.
-$|\mathrm{b}-3|+3>1$

Accepted Answer

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

Question 14

Solve the problem.
-A retailer knows that $\mathrm{n}$ games can be sold in a month if the price is $30-0.3 \mathrm{n}$ dollars per game. If he buys each game for $\$ 3$, and if he wishes to make a profit of at least $\$ 600$ per month on sales of this game, how many games must he sell each month?

Accepted Answer

A)  $25 \leq$ n $\leq 45$ 
B)  $25 \leq n \leq 40$ 
C)  $40 \leq n \leq 90$ 
D)  $40 \leq n \leq 50$ 
A)  $25 \leq$ n $\leq 45$ 
B)  $25 \leq n \leq 40$ 
C)  $40 \leq n \leq 90$ 
D)  $40 \leq n \leq 50$

Question 15

Identify whether the slope is positive, negative, zero, or undefined.
-

Accepted Answer

A) Negative 
B)  Zero 
C)  Positive 
D)  Undefined 
A) Negative 
B)  Zero 
C)  Positive 
D)  Undefined

Question 16

Solve the inequality and graph the solution.
-$x^{2}+7 x \geq-12$

Accepted Answer

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

Question 17

Solve the inequality.
-$(a+1)(a-3)(a-4)>0$

Accepted Answer

A)  $(-1,3)$ or $(4, \infty)$ 
B)  $(-\infty, 3)$ 
C)  $(-\infty,-1)$ or $(3,4)$ 
D)  $(4, \infty)$ 
A)  $(-1,3)$ or $(4, \infty)$ 
B)  $(-\infty, 3)$ 
C)  $(-\infty,-1)$ or $(3,4)$ 
D)  $(4, \infty)$

Question 18

Solve the inequality and graph the solution.
-$t^{2}-6 t-7 \leq 0$

Accepted Answer

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

Question 19

Solve and graph the inequality and graph the solution.
-30x + 18 > 6(4x + 10)

Accepted Answer

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

Question 20

Solve the inequality and graph the solution.
-$v^{2}+6 v+5 \geq 0$

Accepted Answer

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

Solve the inequality. - $t^{2}-2 t-3 \leq 0$

Graph the linear equation. - $6 x-y=0$

Solve the problem. -During the first four months of the year, Jack earned $\$ 980, \$ 950, \$ 1200$ and $\$ 520$ . If Jack must have an average salary of at least $\$ 850$ in order to earn retirement benefits, what must Jack earn in the fifth month in order to qualify for benefits?

Find the x-intercepts and y-intercepts of the graph of the equation. - $y=x^{2}+1$

Find the slope of the line, if it is defined. -Through $(4,-8)$ and $(8,3)$

Find the slope and the y-intercept of the line. - $2 x-3 y=-22$

Give the x-intercepts and y-intercepts of the graph. -

Find the slope and the y-intercept of the line. - $4 x+5 y=18$

Find the slope of the line, if it is defined. -Through $(2,-3)$ and $(-3,7)$

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

sketch the graph of the equation. - $y=\sqrt{x+5}$ $sketch the graph of the equation. - y=\sqrt{x+5}$

Solve the inequality and graph the solution. - $|\mathrm{b}-3|+3>1$

Solve the problem. -A retailer knows that $\mathrm{n}$ games can be sold in a month if the price is $30-0.3 \mathrm{n}$ dollars per game. If he buys each game for $\$ 3$ , and if he wishes to make a profit of at least $\$ 600$ per month on sales of this game, how many games must he sell each month?

Identify whether the slope is positive, negative, zero, or undefined. -

Solve the inequality and graph the solution. - $x^{2}+7 x \geq-12$ $Solve the inequality and graph the solution. - x^{2}+7 x \geq-12$

Solve the inequality. - $(a+1)(a-3)(a-4)>0$

Solve the inequality and graph the solution. - $t^{2}-6 t-7 \leq 0$ $Solve the inequality and graph the solution. - t^{2}-6 t-7 \leq 0$

Solve and graph the inequality and graph the solution. -30x + 18 > 6(4x + 10)

Solve the inequality and graph the solution. - $v^{2}+6 v+5 \geq 0$ $Solve the inequality and graph the solution. - v^{2}+6 v+5 \geq 0$

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

Solve the inequality. - t2−2t−3≤0t^{2}-2 t-3 \leq 0t2−2t−3≤0

Graph the linear equation. - 6x−y=06 x-y=06x−y=0

Find the x-intercepts and y-intercepts of the graph of the equation. - y=x2+1y=x^{2}+1y=x2+1

Find the slope of the line, if it is defined. -Through (4,−8)(4,-8)(4,−8) and (8,3)(8,3)(8,3)

Find the slope and the y-intercept of the line. - 2x−3y=−222 x-3 y=-222x−3y=−22

Give the x-intercepts and y-intercepts of the graph. -

Find the slope and the y-intercept of the line. - 4x+5y=184 x+5 y=184x+5y=18

Find the slope of the line, if it is defined. -Through (2,−3)(2,-3)(2,−3) and (−3,7)(-3,7)(−3,7)

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

sketch the graph of the equation. - y=x+5y=\sqrt{x+5}y=x+5​

Solve the inequality and graph the solution. - ∣b−3∣+3>1|\mathrm{b}-3|+3>1∣b−3∣+3>1

Identify whether the slope is positive, negative, zero, or undefined. -

Solve the inequality and graph the solution. - x2+7x≥−12x^{2}+7 x \geq-12x2+7x≥−12

Solve the inequality. - (a+1)(a−3)(a−4)>0(a+1)(a-3)(a-4)>0(a+1)(a−3)(a−4)>0

Solve the inequality and graph the solution. - t2−6t−7≤0t^{2}-6 t-7 \leq 0t2−6t−7≤0

Solve and graph the inequality and graph the solution. -30x + 18 > 6(4x + 10)

Solve the inequality and graph the solution. - v2+6v+5≥0v^{2}+6 v+5 \geq 0v2+6v+5≥0

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

Solve the inequality. - $t^{2}-2 t-3 \leq 0$

Graph the linear equation. - $6 x-y=0$

Find the x-intercepts and y-intercepts of the graph of the equation. - $y=x^{2}+1$

Find the slope of the line, if it is defined. -Through $(4,-8)$ and $(8,3)$

Find the slope and the y-intercept of the line. - $2 x-3 y=-22$

Find the slope and the y-intercept of the line. - $4 x+5 y=18$

Find the slope of the line, if it is defined. -Through $(2,-3)$ and $(-3,7)$

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

sketch the graph of the equation. - $y=\sqrt{x+5}$ $sketch the graph of the equation. - y=\sqrt{x+5}$

Solve the inequality and graph the solution. - $|\mathrm{b}-3|+3>1$

Solve the inequality and graph the solution. - $x^{2}+7 x \geq-12$ $Solve the inequality and graph the solution. - x^{2}+7 x \geq-12$

Solve the inequality. - $(a+1)(a-3)(a-4)>0$

Solve the inequality and graph the solution. - $t^{2}-6 t-7 \leq 0$ $Solve the inequality and graph the solution. - t^{2}-6 t-7 \leq 0$

Solve the inequality and graph the solution. - $v^{2}+6 v+5 \geq 0$ $Solve the inequality and graph the solution. - v^{2}+6 v+5 \geq 0$