placeholder image to represent content

8.5.I Write An Equation In The Form y = mx + b To Model A Linear Relationship

Quiz by Texas Education Agency

Grade 8
Mathematics
Texas Essential Knowledge and Skills (TEKS)

Feel free to use or edit a copy

includes Teacher and Student dashboards

Measures 1 skill from
Grade 8
Mathematics
Texas Essential Knowledge and Skills (TEKS)

8.5.I: Proportionality

Track each student's skills and progress in your Mastery dashboards

With a free account, teachers can
  • edit the questions
  • save a copy for later
  • start a class game
  • automatically assign follow-up activities based on students’ scores
  • assign as homework
  • share a link with colleagues
  • print as a bubble sheet

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes
6 questions
Show answers
  • Q1
    Which equation can be used to describe the relationship between x and y shown in the graph below?
    Question Image
    y = 3x+ 2
    y = -3x+ 2
    y= -3x -6
    y= 3x -6
    60s
    8.5.I: Proportionality
  • Q2
    Question Image
    60s
    8.5.I: Proportionality
  • Q3
    Mr. Leonard is renting a car for one day. The table below shows the total amount he will be charged for the car based on the number of miles he drives. Which equation best represents c, the number of dollars Mr. Leonard should be charged for driving m miles?
    Question Image
    c = 30m + 0.10
    c = 30m + 0.50
    c = 0.50m + 30
    c = 0.10m + 30
    60s
    8.5.I: Proportionality
  • Q4
    Frankie bought a new computer. He made an initial payment of $50 to the store, and he will pay $30 each month until the computer is paid off. Which equation represents the relationship between m, the number of monthly payments Frankie has made, and t, the total amount that Frankie has paid the store?
    t = 50m - 30
    t= 30m + 50
    t= 50m + 30
    t = 30m - 50
    60s
    8.5.I: Proportionality
  • Q5
    Question Image
    60s
    8.5.I: Proportionality
  • Q6
    Melissa is saving $25 that she earned for washing her mom’s car. She earns $10 every week for doing chores, which she also saves. Which function can be used to find t, the amount of money Melissa will have saved at the end of n weeks of doing chores?
    t = 25n + 10
    t = 10n + 25
    t = 15n
    t = 35n
    60s
    8.5.I: Proportionality

Teachers give this quiz to your class