The number of times the value appears I the data set
What is frequency
100
n+25=-8(5n+3)+8
What is 1
n+25=-8(5n+3)+8
n+25=-40n-24+8
n+25=-40n-16
n+41=-40n
41=-41n
n=-1
100
The sophomore class officers can decorate for prom in 4 hours. The junior class officers can decorate for prom in 6 hours. If both class officers work together, how long will it take to decorate for prom?
What is 12/5
1/4t+1/6t=1
100
Sketch the 680° angle of rotation and find its reference angle
See the board
100
What is Ms. Byers favorite college football team
UCLA bruins
200
An exponential function of the form f(x)=ab^x in which b>1. If r is the rate of growth, then the function can be written y=a(1+r)^t, where is the initial amount and t is the time.
What is exponential growth
200
A lamp post casts a 55 foot shadow. The angle of elevation from end of the shadow to the top of the lamp post is 37°. Find the height of the lamp post. (Lamp post perpendicular to the ground)
What is 41.44 ft
Sin53/55=Sin37/b
bSin53=55Sin37
B=55Sin37/Sin53
200
y=-6cos2x
See board
200
What did Ms. Byers swim in college.
Diving and swimming
300
In a right triangle, the ratio of the length of the leg opposite
What is tangent
300
Cos^-1(1/2)=
What is 60°=pie/3 and 300°=5pie/3
1). Cos^-1=1/cos=r/x
2). Quad 1 and 4
3). 60° =1/2
4). 360-60=300°
5). 60°=pie/3 and 300°=5pie/3
300
A concrete patio has a triangle shape with sides of 15,21,30 feet. Find the measure of the smallest angle.
What is What is 27.7°
15^2=21^2+30^2-[(2)(21)(30)cosA]
225=441+900-1260cosA
225=1341-1260cosA
-1116=-1260cosA
cosA=.8851
cosA^-1=27.7°
300
y=-3sin1/3x+1
See board
300
How many claps are in the UCLA Bruins song
8 claps
400
The function that results from exchanging the input and output values of a one-to-one function. The inverse of f(x) is denoted f^-1(x)
What is inverse function
400
secx•(sinx/tanx)
What is 1
1/cosx = sinx/(sin/cos)
1/cos•(sin/1•cos/sin)
1/cos•cos/1
400
Find the area of the patio of 15,21,30 feet using the "Sine" area formula.
What is 146.4ft2
400
M(2,4)(4,3)(1,-1)
M^1(-1,0)(1,-1)(-2,5)
Translation: 3 units left and 4 units down
See the board
400
Where did she go to highschool
What is Bellarmine
500
A polynomial P(x) has a multiple root r, the multiplicity of r is the number of times ( x-r) appears as a factor in P(x)
What is multiplicity
500
[7/(x+5)]/[6/x+(x/x+5)]
What is 7x/(x^2+6x+30)
500
I am an angle between 360° and 720°, with a reference angle of 40°, and my terminal side is in the third quadrant