Mathematical Models
The correlation coefficient for a scatter plot that has a perfect positive correlation.
What is 1?
14/11 as an exact decimal.
What is 1.272727...?
The equation for a population of mice, p, that starts with 1,000 and triples each year, y.
What is p=(1,000)3x?
The value of:
(4-6)2 - -10
What is 14?
1/5 + 2/7
What is 17/35?
The equation comparing cost, c, and number of pizzas, n, if pizzas cost $12 each and there is a $10 delivery fee.
What is c = 12n +10?
The two consecutive whole numbers √54 is in between.
What are 7 and 8?
The growth rate for an exponential relationship that has a growth factor of 1.8.
What is 80%?
The probability of flipping all heads up when flipping three coins.
What is 1/8?
1/3 ÷ 4/9
What is 3/4?
The equation of a line that passes through the points (2, 9) and (6, -3).
What is y= -3x + 15
The exact length of a right triangle's hypotenuse with legs 3cm and 8cm.
What is √73?
The number of fleas after 3 years if a population of fleas starts with 3,000 fleas and is declining by a decay factor of 0.5 each year.
What is 375 fleas?
The value of x:
12/20 = x/35
What is 21?
The unit rate of 30 miles of gas for 360 miles.
What is 1 gallon: 12 miles?
The residual for the actual value (2, 7) and the predicted value of model line y=2x+4.
What is -1?
A number that cannot be written as a fraction. When written as a decimal, it does not terminate or repeat.
What is an irrational number?
The simplified version.
x6 ÷ x3
What is x3?
The volume of a hexagonal prism with base of 45 cm2 and a height of 2 cm.
What is 90 cm3?
The absolute value of 300-500.
What is 200?
The value of x.
3(2+x) = 27 + 6x
What is -7?
The missing side length of a right triangle with one leg of 5 cm and hypotenuse 9 cm.
What is √56?
The simplified version.
(x6)2 ÷ x-2
What is x14?
The circumference and area of a circle with radius 3 cm.
circumference: 6π or 18.8 cm
area: 9π or 28.3 cm2
30% of 80.
What is 24?