
Review for 3wk Assessment
Quiz by Ashley Villanueva
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
What is the solution to the equation (2x − 5)= 19 − 6x?
What is the solution to this equation?
3(0.1x + 2) = 14.8 − 0.8x
Wally is practicing to run the quarter mile race in an upcoming track meet. He wrote down his times, in seconds, during practice. His data is shown.
          65, 92, 71, 83, 86, 69, 79, 90
What is the mean absolute deviation of the data?
What value of x makes this equation true?
1 + 2(x − 5) = 3(x − 1)
Javier and his brother Antonio are selling bags of popcorn to raise money for their baseballteam to travel to Florida for a tournament.
• Javier is selling his bags of popcorn for $7.50 each and has already raised $120.00.
• Antonio is selling his bags of popcorn for $6.00 each and has already raised $162.00.
Which equation can be used to determine x, the number of bags of popcorn Javier andAntonio must each sell, so that the total amount of money they raise is the same?
Mrs. Feinstein recorded the weight, in pounds,of each of her 8 great grandchildren. Her datais shown.
45, 52, 31, 27, 38, 60, 44, 55
What is the mean absolute deviation of the data?
Seth wants to find out if students at Hillsboro High School go to the football games. He decides to take a sample rather than ask every student. He asks the first15 freshmen leaving the library. Which statement about the sample is true?
The side lengths of a triangle and a rectangle are shown in the diagram.
The perimeter of the triangle is equal to the perimeter of the rectangle. What is the value of x?
Mrs. Williams wants to determine which year-end celebration to choose for the students. She wants student input, so she needs to choose a sample of 20 students from the school. Which of the samples shown is a random sample?
Sylvia has a solid red plastic container with 45 wooden shapes inside of it. She wants toselect 6 shapes at random. She proposed that she should just reach in and pull out 6Â shapeswithout looking. Why will this NOT produce a random sample?