Exponential Functions
Polynomials & Factoring
Quadratic Functions
Solving Quadratic Functions
School Life
100
What is a line that a function approaches, but never touches?
asymptote
100
Write in factored form
x2-4x-12
(x+2)(x-6)
100
How does the graph of g(x)=-2x2 look compared with the parent function f(x)=x2?
opens downward and is narrower
100
Solve the quadratic using any method.
x2-4x-21=0
-3, 7
100
What is Wa-Hi's school mascot?
Blue Devil
200
Identify the domain and range of this function.
domain: set of all real numbers
range: y>0
200
Find the product and write your answer in standard form:
(x+4)(x2-3x-1)
x3+x2-13x-4
200
What is the vertex of the function f(x)=5(x+3)2_8?
(-3,-8)
200
Solve the quadratic using any method.
x2+8x+5=0
-4 + Sqrt(11)
-4 - Sqrt(11)
200
Did your algebra teacher attend middle school in Walla Walla? If so, which school?
Ms. Brown - Didn't live in Walla Walla!
Mr. Peterson - Yes, Home-school
300
How does the graph of the function g(x)=3x-4 differ from the graph of f(x)=3x?
It is translated down 4 units.
300
Simplify the following and write your answer in standard form:
(2x2-4x-1)-(3x2+8x-4)
-x2-12x+3
300
What is the axis of symmetry of the graph of the function f(x)=-2x2+24x-10
x=6
300
Use the discriminant to determine how many solutions the function 0=x2-3x+8 has.
0 solutions
300
How many credits do you need to graduate High School?
24
400
The population of a town is 10,000 and it grows at a rate of 3.5% per year. What will the population be in 15 years?
about 16,753
400
Find the product and write your answer in standard form
(5w-6)(5w+6)
25w2-36
400
Do the data suggest a linear, quadratic or exponential model?
quadratic
400
Solve the system of equations using either substitution or elimination.
y=x2-2x-5
y=x-5
(0,-5) and (3, -2)
400
What three math classes must you pass to graduate from high school?
Geometry, Algebra 1, Algebra 2
500
Write the explicit formula for the geometric sequence:
45, 135, 405, 1215, 3645
an=45(3)n-1
or
Y=15(3)n (if you consider 45 the 1st term)
or
y=45(3)n (if you consider 45 the 0th term)
500
Factor completely
21x2-35x-14
7(3x+1)(x-2)
500
The function h(t)=-16t2+32t models the height, in feet, of a ball t seconds after it is thrown into the air. What is the maximum height the ball reaches after it is thrown?
16 feet
500
A,B,D
500
How many students were in the first graduating class from Walla Walla High School?
3 (1893)