Equivalent Expressions
Solving 2 Step Equations
Inequalities
Making Inferences
Population and Sample
100
Factor the Following Expression
-8x + 14
2 ( -4x + 7) OR -2 ( 4x - 7)
100
Solve
3x-4=32
x=12
100
Graph the following inequality
-4x<8
x > -2
0---------->
-2
100
The box plots below describe the test scores on a recent math test in two classes. (2 points)
The median score for Class 1 is (greater than/less than/the same as) Class 2.
Greater than
100
Does talking on mobile phones while driving distract people?
Researchers measured the reaction times of 38 people driving and talking on mobile phones. The level of distraction ranged from 2.25 to 5, with 5 being the most distracted.
What is the population?
All Drivers
200
Expand and Simplify the following expression
5x - 2(6x+3)
-7x - 6
200
Solve
-2(x+4)=-8
x=0
200
Solve the inequality
x/4 < 8
x < 32
200
The box plots below describe the test scores on a recent math test in two classes. (2 points)
(Class 1/ Class 2) generally scored higher on the assessments.
Class 2
200
Does talking on mobile phones while driving distract people?
Researchers measured the reaction times of 38 people driving and talking on mobile phones. The level of distraction ranged from 2.25 to 5, with 5 being the most distracted.
What is the sample?
The 38 people tested
300
Simplify the Expression
(-2x + 5) + (x - 4)
-x + 1
300
Solve
2/9x + 3 = 7
X = 18
300
Solve the inequality
2x+4 < -8
x < -6
300
The following dot plots show the high temperatures, in degrees Fahrenheit, of two cities during the previous 10 days.
Which box plot shows more variability? Kingman or Barstow
Barstow
300
Indicate whether the following are random samples from the given population.
Population: Students in your Advisory class
Sample: Choosing five students by pulling names out of a hat.
Yes
400
Carlos is looking to mark up his Pokémon Cards by 30% to sell. which of these expression Represent this mark up? (Select all that apply)
A. 1+0.3P
B. P+0.3P
C. 1- 0.3P
D. (1+0.3)P
E. 0.7P
F. 1.30P
B, D, F
400
A family buys 5 airline tickets and travel insurance that cost $17 per ticket. The total cost is $1,495. Write and solve an equation to find the price of one ticket.
5(x+17) = 1495
x=282
400
Connor went to the county fair with $22.50 in his pocket. He bought a hot dog and drink for $3.75 and then wanted to spend the rest of his money on ride tickets, which cost $1.25 each. Write and solve the inequality for how many rides Connor can go on.
1.25x + 3.75 < 22.50
x < 15
400
The heights of 10 mature plants from each of two different species are recorded in the dot plots.
Which of the following statements is true? (1 point)
A. Species A is more consistent in the height of plants than species B.
B. Species B has less plants that grow over 41 cm than species A.
C. Species A has less variability that Species B.
D. Species B shows more spread than species A.
B
400
Indicate whether the following are random samples from the given population.
Population: People in your neighborhood
Sample: People in your neighborhood jogging at 6:00 p.m.
No
500
Simplify this expression.
3y - 8 + (-7y) + 9
-4y + 1
500
solve for d
6( d/3 - 5) =34
d = 32
500
Elena is trying to figure out how many movies she can download to her hard drive. The hard drive holds 500 gigabytes of data, but 58 gigabytes are already taken up by other files. Each movie is 8 gigabytes. How many movies can Elena download? Use the inequality 8x + 58 ≤ 500, where x represents the number of movies she can download, to solve.
X < 55
500
The box plots below show how much time two farmers spent harvesting crops the past two months.
Which of the following statements is true?
A. The IQR of Farmer Baxter is more than the IQR for Farmer Adam.
B. 100% of the hours spent harvesting crops by Farmer Adam is less than 25% of the hours spent by Farmer Baxter.
C. The range of Farmer Baxter is greater than the range of Farmer Adam.
D. In general, Farmer Baxter spent more time harvesting crops than Farmer Adam.
D
500
A survey is conducted to find the most popular food among eighth-grade students at a school. Which of the following methods will give a random representative sample?
A. Choose every eighth-grade student athlete.
B. Choose every eighth-grade teacher and every eighth-grade parent.
C. Choose every fourth student in an alphabetical list of all eight-grade girls.
D. Choose every fourth student in an alphabetical list of all eighth-grade students.
D. Choose every fourth student in an alphabetical list of all eighth-grade students.