Linear Functions
What is the slope of the following line?
f(x) = -3x + 10
Which grows/decays more rapidly:
Linear functions or exponential functions
Exponential
What is the standard form and vertex form of a quadratic function?
Standard: y = ax2 + bx + c
Vertex: y= a(x - h)2 + k
What button do we use for multiple choice questions that have to do with equivalent expressions?
Store button (# sto x, enter)
Name one Nicki Minaj song
Answers may vary
How many times will the following function pass through the x-axis?
f(x) = 10 - 5x
One time
What is the standard form of an exponential function?
f(x) = a(b)x
What is the vertex of the following quadratic?
f(x) = -2(x - 3)2 + 8
(3, 8)
When graphing a function, what buttons do we use to help us graph?
y=
Table (2nd graph)
What year did I graduate high school?
2018
Find the average rate of change between the two points:
(-4, 12) (8, -12)
m = 2
Is the following function increasing or decreasing?
f(x) = 3(6)x
Increasing (b>1)
Describe the shift happening to the following function:
f(x) = 3(x + 5)2 + 1
(Hint - there are 3 shifts)
Left 5
Up 1
Narrow
For linear regression problems, what is the process to finding the linear regression equation? (AKA the line of best fit)
1) Stat, edit (put data into L1 and L2)
2) Stat, calc, 4:LinReg, Enter 3x
What year did I take the Algebra 1 Regents?
2014
Name one point on the following line:
(y - 5) = 2(x + 6)
(5, -6)
What is the y-intercept of the following function?
f(x) = 2(.5)x
2 (a is the y-intercept)
Find the roots of the following function:
f(x) = x2 + 3x - 10
x = -5 and x = 2
For linear regression problems, what variable represents the correlation coefficient?
r
What classes do I teach in summer school? (Hint: I teach two classes)
Find the solution to the equation:
2x - 3 = 5x - 12
x = 3
Is the following function increasing or decreasing? Explain.
f(x) = -3(.04)x
Decreasing because 0<b<1 (b is between 0 and 1)
Find the zeros of the following function:
f(x) = 3x3 - 12x
(Hint - you have to factor the GCF first)
x = -2
x = 0
x = 2
To find the mean, median, Q1 and Q3, what are the steps in the calculator?
1) Stat, edit
2) Stat, calc, 1: 1-Var Stats
When is my birthday?
February 20 2000