Question 1

Find an equation of the line containing the given pair of points
-(5, -5)and (-4, 4)

Accepted Answer

A) y = x 
B) y = -x 
C) y = -x - 5 
D) $y=-\frac{4}{5} x$ 
A) y = x 
B) y = -x 
C) y = -x - 5 
D) $y=-\frac{4}{5} x$

Question 2

Solve the problem.
-Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 789. Find a linear function, S(t), which fits this data, And which expresses score as a function of time. Use this function to predict an average score for persons taking A 58-hour review course. Round your answer to the tenths place.

Accepted Answer

A) 738.3 
B) 752.3 
C) 742.5 
D) 731.0 
A) 738.3 
B) 752.3 
C) 742.5 
D) 731.0

Question 3

Find the intercepts and then graph the line.
-5x - 2 = y

Accepted Answer

A)  $( 0 , - 2 ) ; \left( \frac { 2 } { 5 } , 0 \right)$
  
B)  $\left( 0 , \frac { 2 } { 5 } \right) ; ( - 2,0 )$
  
C)  $\left( 0 , - \frac { 2 } { 5 } \right) ; ( - 2,0 )$
  
D)  $( 0 , - 2 ) ; \left( - \frac { 2 } { 5 } , 0 \right)$
  
A)  $( 0 , - 2 ) ; \left( \frac { 2 } { 5 } , 0 \right)$
  
B)  $\left( 0 , \frac { 2 } { 5 } \right) ; ( - 2,0 )$
  
C)  $\left( 0 , - \frac { 2 } { 5 } \right) ; ( - 2,0 )$
  
D)  $( 0 , - 2 ) ; \left( - \frac { 2 } { 5 } , 0 \right)$

Question 4

Find the function value.
-Find $f ( - 3 )$ when $f ( x ) = x ^ { 4 } + - 5$.

Accepted Answer

A)  76 
B)  $- 86$ 
C)  22 
D)  7 
A)  76 
B)  $- 86$ 
C)  22 
D)  7

Question 5

Find the slope of the line.
-

Accepted Answer

A) 1 
B) -1 
C) 6 
D) -6 
A) 1 
B) -1 
C) 6 
D) -6

Question 6

Graph.
-17x = -17

Accepted Answer

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

Question 7

Provide an appropriate response.
-Explain in your own words why equations of the form y = b have graphs that are horizontal lines.

Accepted Answer

The second coordinate of any point on th

Question 8

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in
slope-intercept form.
-m = -3; (8, -3)

Accepted Answer

A) y = -3x + 22 
B) y = -3x + 21 
C) y = -3x + 19 
D) y = 3x + 20 
A) y = -3x + 22 
B) y = -3x + 21 
C) y = -3x + 19 
D) y = 3x + 20

Question 9

Find the slope (or rate of change). Use appropriate units.
-Find the slope (or pitch)of the roof.

Accepted Answer

A)  $468.4 \%$ 
B)  $4.68 \%$ 
C)  $21.3 \%$ 
D)  $0.21 \%$ 
A)  $468.4 \%$ 
B)  $4.68 \%$ 
C)  $21.3 \%$ 
D)  $0.21 \%$

Question 10

Find an equation of the line containing the given pair of points
-(9, -53)and (10, -59)

Accepted Answer

A)  $y = 6 x - 107$ 
B)  $y = - 6 x + 1$ 
C)  $y = \frac { 1 } { 6 } x - \frac { 109 } { 2 }$ 
D)  $y = - \frac { 1 } { 6 } x - \frac { 103 } { 2 }$ 
A)  $y = 6 x - 107$ 
B)  $y = - 6 x + 1$ 
C)  $y = \frac { 1 } { 6 } x - \frac { 109 } { 2 }$ 
D)  $y = - \frac { 1 } { 6 } x - \frac { 103 } { 2 }$

Question 11

Graph.
-2 · f(x)+ 2x = 2 + 2x

Accepted Answer

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

Question 12

Graph the function.
-$f(x)=x^{2}+2 x-5$

Accepted Answer

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

Question 13

Find a linear function whose graph has the given slope and y-intercept.
-Slope $2 , y$-intercept $( 0 , - 7 )$

Accepted Answer

A)  $f ( x ) = 2 x + 2$ 
B)  $f ( x ) = - 7 x - 2$ 
C)  $f ( x ) = 2 x + 7$ 
D)  $f ( x ) = 2 x - 7$ 
A)  $f ( x ) = 2 x + 2$ 
B)  $f ( x ) = - 7 x - 2$ 
C)  $f ( x ) = 2 x + 7$ 
D)  $f ( x ) = 2 x - 7$

Question 14

The graph of a function f is provided. Determine the requested function value.
-f(-2)

Accepted Answer

A) -1 
B) -3 
C) 1 
D) 3 
A) -1 
B) -3 
C) 1 
D) 3

Question 15

For the function represented in the graph, determine the domain or range, as requested.
-Find the range.

Accepted Answer

A)  $\{ x \mid 2 \leq x \leq 5 \}$ 
B)  $\{ 2,3,4,5 \}$ 
C)  $\{ - 5 , - 3 , - 1,1,3 \}$ 
D)  $\{ x \mid - 5 \leq x \leq 3 \}$ 
A)  $\{ x \mid 2 \leq x \leq 5 \}$ 
B)  $\{ 2,3,4,5 \}$ 
C)  $\{ - 5 , - 3 , - 1,1,3 \}$ 
D)  $\{ x \mid - 5 \leq x \leq 3 \}$

Question 16

Find the function value.
-Find f(-3)when f(x)= 6x - 3.

Accepted Answer

A) -21 
B) 21 
C) -24 
D) -13 
A) -21 
B) 21 
C) -24 
D) -13

Question 17

Determine the slope and the y-intercept.
-y = -6.9x - 4

Accepted Answer

A) Slope 6.9, y-intercept (0, -4) 
B) Slope -4, y-intercept (0, -6.9) 
C) Slope -4, y-intercept (0, 6.9) 
D) Slope -6.9, y-intercept (0, -4) 
A) Slope 6.9, y-intercept (0, -4) 
B) Slope -4, y-intercept (0, -6.9) 
C) Slope -4, y-intercept (0, 6.9) 
D) Slope -6.9, y-intercept (0, -4)

Question 18

Find an equation of the line containing the given pair of points
-(5, 5)and (9, 17)

Accepted Answer

A)  $y = - 10 x - 3$ 
B)  $y = 3 x - 10$ 
C)  $y = - 3 x - 10$ 
D)  $y = - 10 x + 3$ 
A)  $y = - 10 x - 3$ 
B)  $y = 3 x - 10$ 
C)  $y = - 3 x - 10$ 
D)  $y = - 10 x + 3$

Question 19

Find the function value.
-Find $f ( - 1 )$ when $f ( x ) = x ^ { 2 } - 4 x + 6$.

Accepted Answer

A)  11 
B)  $- 9$ 
C)  $- 1$ 
D)  3 
A)  11 
B)  $- 9$ 
C)  $- 1$ 
D)  3

Question 20

Solve the problem.
-Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 765. Find a linear function S(t), which fits this data,
And which expresses score as a function of time.

Accepted Answer

A) S(t)= 3.625t + 511.25 
B) S(t)= 3.2625t - 515.25 
C) S(t)= -3.625t + 511.25 
D) S(t)= 3.2625t + 515.25 
A) S(t)= 3.625t + 511.25 
B) S(t)= 3.2625t - 515.25 
C) S(t)= -3.625t + 511.25 
D) S(t)= 3.2625t + 515.25

Find an equation of the line containing the given pair of points -(5, -5)and (-4, 4)

Find the intercepts and then graph the line. -5x - 2 = y

Find the function value. -Find $f ( - 3 )$ when $f ( x ) = x ^ { 4 } + - 5$ .

Find the slope of the line. -

Graph. -17x = -17

Provide an appropriate response. -Explain in your own words why equations of the form y = b have graphs that are horizontal lines.

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form. -m = -3; (8, -3)

Find the slope (or rate of change). Use appropriate units. -Find the slope (or pitch)of the roof.

Find an equation of the line containing the given pair of points -(9, -53)and (10, -59)

Graph. -2 · f(x)+ 2x = 2 + 2x

Graph the function. - $f(x)=x^{2}+2 x-5$ $Graph the function. - f(x)=x^{2}+2 x-5$

Find a linear function whose graph has the given slope and y-intercept. -Slope $2 , y$ -intercept $( 0 , - 7 )$

The graph of a function f is provided. Determine the requested function value. -f(-2)

For the function represented in the graph, determine the domain or range, as requested. -Find the range.

Find the function value. -Find f(-3)when f(x)= 6x - 3.

Determine the slope and the y-intercept. -y = -6.9x - 4

Find an equation of the line containing the given pair of points -(5, 5)and (9, 17)

Find the function value. -Find $f ( - 1 )$ when $f ( x ) = x ^ { 2 } - 4 x + 6$ .

Solve the problem. -Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 765. Find a linear function S(t), which fits this data, And which expresses score as a function of time.

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Filters

Exam 7: Graphs, Functions, and Applications

Find an equation of the line containing the given pair of points -(5, -5)and (-4, 4)

Find the intercepts and then graph the line. -5x - 2 = y

Find the function value. -Find f(−3)f ( - 3 )f(−3) when f(x)=x4+−5f ( x ) = x ^ { 4 } + - 5f(x)=x4+−5 .

Find the slope of the line. -

Graph. -17x = -17

Provide an appropriate response. -Explain in your own words why equations of the form y = b have graphs that are horizontal lines.

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form. -m = -3; (8, -3)

Find the slope (or rate of change). Use appropriate units. -Find the slope (or pitch)of the roof.

Find an equation of the line containing the given pair of points -(9, -53)and (10, -59)

Graph. -2 · f(x)+ 2x = 2 + 2x

Graph the function. - f(x)=x2+2x−5f(x)=x^{2}+2 x-5f(x)=x2+2x−5

Find a linear function whose graph has the given slope and y-intercept. -Slope 2,y2 , y2,y -intercept (0,−7)( 0 , - 7 )(0,−7)

The graph of a function f is provided. Determine the requested function value. -f(-2)

For the function represented in the graph, determine the domain or range, as requested. -Find the range.

Find the function value. -Find f(-3)when f(x)= 6x - 3.

Determine the slope and the y-intercept. -y = -6.9x - 4

Find an equation of the line containing the given pair of points -(5, 5)and (9, 17)

Find the function value. -Find f(−1)f ( - 1 )f(−1) when f(x)=x2−4x+6f ( x ) = x ^ { 2 } - 4 x + 6f(x)=x2−4x+6 .

Solve the problem. -Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 765. Find a linear function S(t), which fits this data, And which expresses score as a function of time.

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Filters

Find the function value. -Find $f ( - 3 )$ when $f ( x ) = x ^ { 4 } + - 5$ .

Graph the function. - $f(x)=x^{2}+2 x-5$ $Graph the function. - f(x)=x^{2}+2 x-5$

Find a linear function whose graph has the given slope and y-intercept. -Slope $2 , y$ -intercept $( 0 , - 7 )$

Find the function value. -Find $f ( - 1 )$ when $f ( x ) = x ^ { 2 } - 4 x + 6$ .