Data Analysis
What kind of association is the scatter plot in the picture?
Positive linear association
A student's parents invested $3,000in a college savings account that pays 5.06% annual simple interest. No additional deposits or withdrawals will be made.
What is the amount of interest made after 10 years?
$1,518
What is the equation used to finding missing side lengths of a right triangle?
a2+b2=c2
What value of x makes the equation true?
3x+1 = 2x+2
x=1
What is ascending order?
Least to Greatest
What kind of association is the scatter plot in the picture?
Negative nonlinear association
An employee put $7,000 in a retirement account that offers 8% interest compounded annually. What is the total amount the employee will have earned at the end of 5 years?
$10,285.30
The sides of a triangle are 16, 20, and 12.
Is it a right triangle? Explain..
Yes because a2+b2=c2 works. 400=400
What is the value of x that makes this equation true?
0.5x+21=0.2x+30
x=30
Which is not an integer?
a) -2 b) -44 c) 13 d) -2.5
d) -2.5
Based on the scatter plot, if the Air temperature is 45 degrees predict how many m/s will the speed of sound travel?
a) 350 m/s b) 340 m/s c) 370 m/s d) 360 m/s
d) 360 m/s
Madison deposited $1,000 into an account and earns 3.24% simple interest on the money in the account. What was the balance in Madison's account after 10 years?
$1,324.00
The hypotenuse of a right triangle is 8 feet. One of the legs is 5 feet. What is the measurement of the other leg?
The measures of two angles are (5x+3) and (2x+30). What is the value of x if these angles are congruent?
x = 9
Which is not an irrational number?
a) sqrt 2 b) sqrt 9 c) sqrt 26 d) sqrt 37
b) sqrt 9
Based on the scatter plot, predict how many hours of sleep someone will get if they play 5 hour of video games.
a) 7 b) 6 c) 4 d) 8
b) 6 hours
Kelly deposits $4,000 into her savings account and earns 2.6% interest compound annually. How much interest will she earn after 5 years?
$547.75
Tomas has a rectangular field that has a length of 30 feet and a width of 40 feet. What is the length of a diagonal of the field?
b) 50
Brandon has 200 dollars in his bank and saves 25 dollars each week. Kingston has 300 dollars in his bank and saves 20 dollars each week.
What is the equation you would use to figure out when they will have the same amount of money in there bank accounts?
200+25x=300+20x
What is a rational number?
A number that can be turned into a fraction. (Terminating or repeating decimal)
Determine whether the real world situation will have a positive, negative, or no association.
Brushing teeth(x) and cavities(y).
Negative association.
Thomas will deposit $200 into an account that ears 10% simple interest every year. His sister Amy will deposit $500 in an account that earns 7% compounded annually. What is the difference between their accounts by the end of 2 years?
$332.45
The area of 3 squares are 25, 60, and 180. Will they combine to make a right triangle? Explain why or why not.
25+60=80...It should equal 180.
The 2 smaller smaller squares area must add to equal the bigger squares area.
Pool 1 contains 15.5 gallons of water. Justin will be draining the pool at a rate of 0.5 gallons per minute.
Pool 2 contains 2.5 gallons of water. Carla will be filling the pool at a rate of 0.8 gallons per minute.
After how many minutes will the two pools have the same amount of gallons?
10 minutes
Order the numbers from greatest to least.
-1/6, 60%, 0.06, -sqrt 3
60%, 0.06, -1/6, -sqrt3