Unit 1 Quiz

Instrukcije

You must upload your work for the 4 questions that say "Show Your Work" to get credit. You will also turn in your work paper to the basket on the back wall after you submit the Quiz.

1

Evaluate:

1

Does the following represent a function?

yes

no

1

Does the following represent a function?

yes

no

2

Select ALL the graphs that represent functions.

null

2

Solve using substitution.
Enter your answer as an ordered pair (x,y). Decimals or fractions are acceptable.

2

Solve using elimination.
Enter your answer as an ordered pair (x,y).

1

The following system of equations is graphed below. What is the solution?
Enter your answer as an ordered pair (x,y).

2

Write the equation of the line in the graph in y=mx+b form.

2

Write the equation in slope-intercept form y=mx+b.

1

Let f(x)=x^2-3x. Evaluate f(2).

1

Let h(x)=-3x-9. Find x when h(x)=-15.

x=-54

x=36

x=2

x=-8

1

The graph below shows the temperature of an oven as a function of time.
Use the graph to find what f(7)=

350 minutes

75 degrees

7 minutes

350 degrees

2

Write an equation for a line that goes through points (2,5) and (0,-5).
Write your answer in y=mx+b form.

1

The cost (C) of a burger at In-n-Out based on the number of extra patties (p) is represented by the function C(p)=1.20p+2.85. What is the slope of this function, and what does it represent?

$2.85, the amount that it costs for each additional patty

$2.85, the amount that it costs for a plain hamburger

$1.20, the amount that it costs for a plain hamburger

$1.20, the amount that it costs for each additional patty

1

Which point is a solution to the system of inequalities graphed below?

(-2,6)

(7,1)

(5,-5)

(-6,-1)

3

A long, long time ago, there were a thing called "Movie Theaters." A group went to the movies and spent $13 on each adult ticket and $7 on each child ticket. They purchased 26 tickets total and spent $242. How many children went to the movies?

1

A student tried to graph a system of inequalities but made a mistake! What was their mistake?

The red graph should be shaded "below" the line

The red line should be SOLID

The blue graph should be shaded "above" the line

The blue line should be DOTTED

1

An electrician charges $100 to come to your house, and then $30 per hour of work. Which function represents the cost of the electrician based on the number of hours he worked, x?

f(x)=100x+30

f(x)=30x+100

1

An electrician charges a $100 fee to come to your house, and then $30 per hour of work. The initial fee to come to the house represents the:

slope

x-intercept

y-intercept

1

An electrician charges $100 to come to your house, and then $30 per hour of work. The cost per hour represents the:

y-intercept

slope

x-intercept

1

What is the domain?
Write your answer using interval notation, no spaces.

1

Unit 1 Quiz

Evaluate:

Does the following represent a function?

Does the following represent a function?

Select ALL the graphs that represent functions.

Solve using substitution.Enter your answer as an ordered pair (x,y). Decimals or fractions are acceptable.

Solve using elimination.Enter your answer as an ordered pair (x,y).

The following system of equations is graphed below. What is the solution?Enter your answer as an ordered pair (x,y).

Write the equation of the line in the graph in y=mx+b form.

Write the equation in slope-intercept form y=mx+b.

Let f(x)=x^2-3x. Evaluate f(2).

Let h(x)=-3x-9. Find x when h(x)=-15.

The graph below shows the temperature of an oven as a function of time. Use the graph to find what f(7)=

Write an equation for a line that goes through points (2,5) and (0,-5). Write your answer in y=mx+b form.

The cost (C) of a burger at In-n-Out based on the number of extra patties (p) is represented by the function C(p)=1.20p+2.85. What is the slope of this function, and what does it represent?

Which point is a solution to the system of inequalities graphed below?

A long, long time ago, there were a thing called "Movie Theaters." A group went to the movies and spent $13 on each adult ticket and $7 on each child ticket. They purchased 26 tickets total and spent $242. How many children went to the movies?

A student tried to graph a system of inequalities but made a mistake! What was their mistake?

An electrician charges $100 to come to your house, and then $30 per hour of work. Which function represents the cost of the electrician based on the number of hours he worked, x?

An electrician charges a $100 fee to come to your house, and then $30 per hour of work. The initial fee to come to the house represents the:

An electrician charges $100 to come to your house, and then $30 per hour of work. The cost per hour represents the:

What is the domain?Write your answer using interval notation, no spaces.

What is the range?Write your answer using interval notation, no spaces.

Evaluate:

Does the following represent a function?

Does the following represent a function?

Select ALL the graphs that represent functions.

Solve using substitution.Enter your answer as an ordered pair (x,y). Decimals or fractions are acceptable.

Solve using elimination.Enter your answer as an ordered pair (x,y).

The following system of equations is graphed below. What is the solution?Enter your answer as an ordered pair (x,y).

Write the equation of the line in the graph in y=mx+b form.

Write the equation in slope-intercept form y=mx+b.

Let f(x)=x^2-3x. Evaluate f(2).

Let h(x)=-3x-9. Find x when h(x)=-15.

The graph below shows the temperature of an oven as a function of time. Use the graph to find what f(7)=

Write an equation for a line that goes through points (2,5) and (0,-5). Write your answer in y=mx+b form.

The cost (C) of a burger at In-n-Out based on the number of extra patties (p) is represented by the function C(p)=1.20p+2.85. What is the slope of this function, and what does it represent?

Which point is a solution to the system of inequalities graphed below?

A long, long time ago, there were a thing called "Movie Theaters." A group went to the movies and spent $13 on each adult ticket and $7 on each child ticket. They purchased 26 tickets total and spent $242. How many children went to the movies?

A student tried to graph a system of inequalities but made a mistake! What was their mistake?

An electrician charges $100 to come to your house, and then $30 per hour of work. Which function represents the cost of the electrician based on the number of hours he worked, x?

An electrician charges a $100 fee to come to your house, and then $30 per hour of work. The initial fee to come to the house represents the:

An electrician charges $100 to come to your house, and then $30 per hour of work. The cost per hour represents the:

What is the domain?Write your answer using interval notation, no spaces.

What is the range?Write your answer using interval notation, no spaces.

Solve using substitution.
Enter your answer as an ordered pair (x,y). Decimals or fractions are acceptable.

Solve using elimination.
Enter your answer as an ordered pair (x,y).

The following system of equations is graphed below. What is the solution?
Enter your answer as an ordered pair (x,y).

The graph below shows the temperature of an oven as a function of time.
Use the graph to find what f(7)=

Write an equation for a line that goes through points (2,5) and (0,-5).
Write your answer in y=mx+b form.

What is the domain?
Write your answer using interval notation, no spaces.

What is the range?
Write your answer using interval notation, no spaces.

Solve using substitution.
Enter your answer as an ordered pair (x,y). Decimals or fractions are acceptable.

Solve using elimination.
Enter your answer as an ordered pair (x,y).

The following system of equations is graphed below. What is the solution?
Enter your answer as an ordered pair (x,y).

The graph below shows the temperature of an oven as a function of time.
Use the graph to find what f(7)=

Write an equation for a line that goes through points (2,5) and (0,-5).
Write your answer in y=mx+b form.

What is the domain?
Write your answer using interval notation, no spaces.

What is the range?
Write your answer using interval notation, no spaces.