What rule describes the translation left 3 units and up 4 units?
a. (x,y) →(x + 3, y + 4)
b. (x,y) →(x + 3, y - 4)
c. (y, x) →(x – 3, y + 4)
d. (x,y) →(x – 3, y + 4)
d.
100
What is the number .00000002 correctly written in scientific notation?
2 x 10 ^ -8
100
Is the following a function?
x: 1, 2, 3, 4, 5
y: 5, 7, 9, 12, 13
Yes
200
4x+7 = 38
BONUS (150): -13(2m - 1) = 65
x = 7.75
Bonus: m = -2
200
What is the square root of 36/100?
0.6
200
What direction are rotations unless you are told otherwise?
c. counterclockwise
200
What is the magnitude of the number .000871?
-4
200
Is the following a function? {(4,5) (4,-5) (2,1) (5,8)}
no
300
5(x+10) = -425
x= -95
300
Determine whether the following are rational or irrational:
1) pi
2) 0.875
3) square root of 39
1. irrational
2. rational
3. irrational
300
How many lines of symmetry does the figure have? (star)
5
300
What is 4.56 x 10^5 in standard form?
456,000
300
Which numbers are NOT part of the domain. {(13,26) (15,30) (14,28) (11,22)} List all that apply.
26 and 22
400
-13 = -4r + 50 + 1/2r
r = 18
400
1. (4^7)(4^3) = 4^?
2. (11^4/11^6) = 11^?
1. 10
2. -2
400
If m∠1 = 72° and m∠4 = 108°, then what is the measure of ∠2? (draw figure on board)
a. not enough information
b. 36°
c. 72°
d. 85°
b.
400
(4.1 x 103 ) x (1.6 x 10-2) =
6.56 x10
400
Number 9 in packet
No it is not a linear function
500
The Verizon cell phone plan charges a monthly fee of $30 and $0.15/minute. Cingular charges a monthly fee of
$25, and $0.20/minute.
A. Write an equation that represents the cost of each cell phone company’s fee. Let c = cost.
B. For what number of minutes will the total cost for each of the cell phone companies be the same?
C. Mary will talk for approximately 150 minutes/month. What plan should she purchase? Explain your answer
A.
C = 30 + .15M
C = 25 + .20M
B. M = 100 minutes
C. Verizon will cost approximately $52.50/month; Cingular will cost approximately
$55/month. She will save approximately $2.50 a month.
500
Write 1.423 as a fraction in simplest form.
1 and 47/111
500
What is the relationship between ∠2 and ∠7?
a. alternate exterior angles
b. alternate interior angles
c. complimentary angles
d. vertical angles
BONUS for 400 (free for all)
a.
500
Your body is creating and killing 15 million red blood cells per second.
• Express 15 million in scientific notation.
• How man red blood cells are created in one hour? Express your answer in scientific notation.
• How many are created in one day? Express your answer in scientific notation.