Units of Measurement
Francine creates a bar graph showing the distance between her city and each state capital city in the U.S.
What unit of measurement would be an appropriate unit for Francine to use to label her graph?
Miles
An expression is given. (2x+8)(5x-7)
Simplify the expression
10x2+26x-56
Solve the equation
3x + 4/5 = 7 - 2x
x = 31/25 or 1.24
The population of snails in a tank at the aquarium is found to triple every year. Mark visits the aquarium and counts 80 snails in the tank. Write a function f(n) to model the number of snails in the tank n years after Mark's visit.
f(n) = 80(3)n
25+39
64
Henry places x marbles into an empty bucket. Each marble has the same weight. The weight, in ounces, of the bucket and marbles can be calculated using the expression shown: 3x+8.
What does the term 8 represent in this expression?
The weight of the empty bucket
An expression is given: 9x2-36y2
Which expression is equivalent to the given expression?
(3x-6)2
9(x-2y)2
9(x+2y)(x-2y)
3(3x+12y)(3x-12y)
9(x+2y)(x-2y)
Solve the equation 12(x+5) = 4x
x = -7.5
Emerson has $120. Each week, he saves an additional $15. Write a function f(x) that models the total amount of money Emerson has after x weeks.
f(x) = 120 + 15x
5 * 3 * 2 * 12
Which of the following units is most appropriate to describe the rate of walking to school:
feet/minute
square feet/minute
cubic feet/minute
feet/minute
Simplify the expression:
(2x-3)+[4x(3x+2)]
12x2+10x-3
What two numbers have a sum of 217 and a difference of 85?
151 and 66
The number of bacteria on a microscope slide doubles every hour. There are initially 4 bacteria present. Create an explicit function f to model the growth after n hours.
f(n) = 4(2)n
20 - 2(3+4)
6