9.1
Find the distance between (1,0) and (5,4)
Square root of 32
Find the radius and diameter of the circle with the point (5,2)
r= square root of 29. d= 29
A series can be finite or infinite? True or false
True
In an arithmetic sequence, what does the difference always have to be?
Constant
When is the measure of an angle positive?
When the rotation of its terminal side is counterclockwise
Maddy’s house is located at point (8,7). Lumen is mapped at (0,0). How far away is Maddy’s house from Lumen?
Square root of 113
Find the quation of the circle with a center of (4,-1) and passes through (-1,2)
34
Find the sum of the series: 8 over sigma, k=4 below the sigma.
205
Two terms of an arithmetic sequence are a8 =21 ad a27= 97. Find a rule for the nth term
-11+4n
Find of positive and negative angle of 395 degrees
35 degrees and -325 degrees
Find the midpoint of the line segment joining (3,1) and (2,2)
5/2, 3/2
A cellular phone tower services a 10 mile radius. You get a flat tire 4 miles east and 9 miles north of the tower. Are you in the towers range?
97>100 yes
You are stacking pears in the shape of a square pyramid with 9 layers. How many pears are in the 9th layer?
140 pears
If the common difference of an arithmetic series is doubled while the first term and number of terms in the series remain unchanged, then the sum of the series is doubled. True or false?
False
Convert 125 degrees to radians
25pi/ 36 radians
If Ron drives 2 miles north, 5 mi east and 4 mi south to get to her office, what is the straight line distance between her home and her office?
Square root of 29 miles.
Find the radius of y^2= -x^2 + 36
R=6
Write the first six terms of the sequence (-3) ^n-1
1,-3,9,-27,81,-243
Tell whether 2,6,10,14... is an arithmetic sequence
Yes
A CD spins about 200 revolutions per minute. At that speed, through what angle does a point on the CD spin in one minute?
72000 degrees
Midpoint between (-1,4) and (3,5)
1, 9/2
Write the standard form of the equation of the circle with the given radius and whose center is the origin. Radius is 13
X^2 + y^2 = 169
You need $500 for a car. You save a penny a day. How many days until you have $500?
317 days
Write a rule for the nth term of the sequence. 4,9,14,19...
An= 4+ (n-1)5
Evaluate cos. pi/6
0.8660254