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.
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.
Question 1
1.
Evaluate:
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Solve using substitution.
Enter your answer as an ordered pair (x,y). Decimals or fractions are acceptable.
Question 6
6.
Solve using elimination.
Enter your answer as an ordered pair (x,y).
Question 7
7.
The following system of equations is graphed below. What is the solution?
Enter your answer as an ordered pair (x,y).
Question 8
8.
Write the equation of the line in the graph in y=mx+b form.
Question 9
9.
Write the equation in slope-intercept form y=mx+b.
Question 10
10.
Let f(x)=x^2-3x. Evaluate f(2).
Question 11
11.
Question 12
12.
Question 13
13.
Write an equation for a line that goes through points (2,5) and (0,-5).
Write your answer in y=mx+b form.
Question 14
14.
Question 15
15.
Question 16
16.
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?
Question 17
17.
Question 18
18.
Question 19
19.
Question 20
20.
Question 21
21.
What is the domain?
Write your answer using interval notation, no spaces.
Question 22
22.
What is the range?
Write your answer using interval notation, no spaces.
Does the following represent a function?
yes
no
Does the following represent a function?
yes
no
Select ALL the graphs that represent functions.
Let h(x)=-3x-9. Find x when h(x)=-15.
x=-54
x=36
x=2
x=-8
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
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
Which point is a solution to the system of inequalities graphed below?
(-2,6)
(7,1)
(5,-5)
(-6,-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
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
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
An electrician charges $100 to come to your house, and then $30 per hour of work. The cost per hour represents the: