Solve equations and inequalities
linear functions
shapes of distribution
exponentials
Triangle Congruence
100
-6 + y= -12
y=-6
100
What is the slope of y=(1/2)x + 3
m = 1/2
100
What is the outlier from the data set:
78, 65, 69, 61, 27, 76, 59
EXTRA PTS
27
100
Growth or decay?
y=5(0.9)x
Decay
100
Are these triangles congruent? How do you know?
Yes by AAS
200
-6f < 24
f > -4
200
What letter is used to represent slope?
EXTRA PTS
m
200
What is the shape of Distribution?
Normal/bell shape/ symmetric
200
What type of sequence?
8, 13, 18, 23...
Arithmetic
200
Are these Triangles congruent? How do you know?
No, they are different sizes
300
35 - 11x < -9
x > 4
300
Is the following a function? Why
(1,5) (3, 3) (-1,5) (17,5) (17, 5)
Yes, the x does not repeat
300
Shape of distribution:
Skewed Right
300
Write an equation:
8, 16, 32...
y=4(2)x
300
Are these triangles congruent?
Yes, by ASA
400
7q -(-3q + 8) = 12
q = 2
400
Graph f(x)=8-2x
See LF response
400
Find the mean:
48, 52, 77, 45, 18, 39
279/6= 46.5
400
Write an equation: a $27,000 car starts to depreciate by 3% every year.
EXTRA PTS
y=27,000(0.87)x
400
Congruent? Why?
HL or NEI
500
-3x - 32 = -10 + 8x
x = -2
500
What is the y-intercept of 4x - 8y = 16
(0, -2) or -2
500
How does a large outlier effect the mean and median of a data set
Mean increases
median stays about the same
500
The city of smallville grows by 3.2% each year. If it starts with 120,000 people, what is the population after 5 years?
a) equation
b) population
a) y=120,000(1.032)x
b) 140,468
500
What is the reason these two triangles are congruent?
SAS