Slope & Linear Equations
Other basic functions
Trig stuff
Inverse functions
Log. & Exp. Functions
100
What is the m mean in the equation y=mx+b?
slope
100
What is the x-intercept(s) (zero(s)) of the function
f(x)=x2?
x=0
100
What is the sine of
pi/6?
1/2
100
Fill in the blank.
In order for a function to have an inverse, it must be ____________.
one-to-one
100
What is the base of the natural log? (ln)
e
200
Find the slope of the line that passes through the points (5, 3) and (2, 9).
-2
200
What is the degree of the function below?
f(x)=3x8-5x4+3x2+x+7
8
200
In terms of trig functions, what is y/x equal to?
Tangent
200
Is the function f(x)=x2 one-to-one?
No
200
What is the implied base if you see log(2)?
10
300
Find the equation of a line in slope-intercept form using the table below. (x-vals on top, y-vals on bottom)
y=4x-3
300
Algebraic or Transcendental?
f(x)=
(2x^4-5)/(3x+2)
Algebraic
300
Fill in the blank
sin2x + ______ = 1
cos2x
300
Are the functions inverses?
g(x)=(x-5)/3
f(x)=3x+5
Yes
300
Oops...You lost points
Sad times... :(
400
Free Points :)
Yay!!!
400
Find the roots of the polynomial.
f(x)=3x2 +2x - 1
x= 1/3 and x= -1
400
Solve for x.
sin(x)+sqrt3=-sin(x)
5pi/3 and 4pi/3
400
Are the functions inverses?
g(x)=-3/(x+1)
f(x)=-3/x+1
No
400
Solve for x.
log(x) + log(8) = 2
25/2 or 12.5
500
If the x-intercept of a linear function is 4 and the y-intercept is -3, find the equation of the line.
y=3/4x-3
500
Is the polynomial even, odd, or neither?
f(x) = 3x5+2x3-4x+7
odd
500
Solve for x.
tan(x)=1
pi/4 and 5pi/4
500
Find the inverse of the function.
f(x)=8+root5(x
f^-1(x)=(x-8)^5
500
Solve for x.
1/35