Transcript Chapter 3 Review Game

Write the point-slope form of a line.
y = y1 + b (x - x1)
Find a line that is perpendicular to 4x - 5y = 20
that goes through the point (6, 15).
y = -1.25x + 22.5
Find explicit formulas for the sequences
u0 = 26
un = un-1 + 16
t1 = -15
tn = tn-1 - 3
un = 26 + 16n
tn = -12 - 3n
What is true about the equations for two lines that are
parallel?
Same Slope
Where do forest fires travel faster?
uphill
downhill
doesn't matter
uphill
Write an equation for a vertical line through the point (6, -4).
x=6
Find an equation for a line one-third of the way
from y = -1.8x + 74.1 and y = -1.8x + 70.5.
y = -1.8x + 72.9
Find the for a line that has slope -7 and an x-intercept of
6.
y = -7x + 42
Explain the concept of interpolation.
Use a line of fit to estimate a value
when the value is within the given data.
What sport is the most common cause of eye injuries in
the U.S.?
baseball
s = 7 - 3n
7n + 2s = 40
(26, -71)
Year
1950
1960
1970
1980
1990
2000
Price
0.27
0.31
0.36
1.19
1.15
1.56
Find the median median line for the data
and predict the price in 2010.
y = 0.027x - 51.78
1.74
Year
1950
1960
1970
1980
1990
2000
Price
0.27
0.31
0.36
1.19
1.15
1.56
Find the root mean square error for the median-median line.
.222
When you try to solve a system with no solution,
what will happen?
You will get a statement that is untrue
Unlike most other fish, sharks have no
______?
Bones
Name 4 ways to solve a system.
Table
Graphing
Substitution
Elimination
Solve the system
3x + 4y = 12
2x - 6y = 5
(46/13, 9/26)
(3.539, 0.346)
Alyse earns $15.40 per hour, and she earns time and a half for
working pask 8:00 P.M. Last week she worked 35 hours and
earned $600.60. How many hours did she work past 8:00 P.M.?
27 regular
8 after 8:00 P.M.
2x + y - z = 2
3x + 2y + 3z =
17
5x - y + 2z = 15
(2, 1, 3)
What president was once offered a contract with the
Cincinnati Reds
William H. Taft