8th Grade Math Review - 2

Front

Identify the type of mapping above.

Back

Each x is associated with one y value. It is a function.

Front

Identify the type of mapping above.

Back

Each x is associated with one y value. It is a function.

Front

Which set of ordered pairs is a function? Options:

{(9,5), (10,5), (9,-5), (10,-5)}

,

{(3,4), (4,-3), (7,4), (3, 8)}

,

{(6,-5), (7, -3), (8, -1), (9, 1)}

,

{(2, -2), (5, 9), (5, -7), (1, 4)}

Back

{(6,-5), (7, -3), (8, -1), (9, 1)}

Front

Which of the following is NOT a function?

Back

Front

Equation for the table in the form of y = mx + b

Back

Front

Back

Front

What is the y-intercept of the graph of a linear function represented on a coordinate grid? Options: 5, 6, 8, 0

Back

5

Answer explanation

Clue: 

Y-intercept is the point where the graph crosses the y axis.

Tags

8.4ABC

Front

Dave is exercising each day. He was able to take 20 push-ups at a time. Now he is planning to improve it by taking 5 more each week. Which table best represents the situation?

Back

Front

Which description best matches the table?

Back

Emily had 50 coins in her collection. She is collecting 25 coins each year.

Front

John is building a driveway. He paid $550 for the required materials, and he will pay ‘Drive Way Building’ Company $50 each to complete the work. Which table shows the relationship between 'h' the number of hours the company works, and 'c', the total cost of the project?

Back