
8th Grade 1st Semester Review
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the cost structure for Company A's movie streaming service?
Back
Company A charges a $15 sign-up fee plus $1.50 per movie.
2.
FLASHCARD QUESTION
Front
What is the cost structure for Company B's movie streaming service?
Back
Company B has no sign-up fee but charges $2.25 per movie.
3.
FLASHCARD QUESTION
Front
How do you determine the number of movies at which both companies cost the same?
Back
Set the total costs equal: 15 + 1.50x = 2.25x, solve for x.
4.
FLASHCARD QUESTION
Front
In the equation y=mx+b, what does 'b' represent?
Back
'b' is the Y-intercept, the point where the line crosses the Y-axis.
5.
FLASHCARD QUESTION
Front
Convert the standard number 6,267,000 into scientific notation.
Back
6.267 x 10^6.
6.
FLASHCARD QUESTION
Front
What does it mean for an equation to show a proportional relationship?
Back
A proportional relationship means that the ratio between two quantities is constant.
7.
FLASHCARD QUESTION
Front
Does the equation y = 2x + 3 show a proportional relationship? Why or why not?
Back
No, because it has a constant term (3) which means it does not pass through the origin.
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