Math Grade 8 Quiz Understanding Linear and Non - linear Functions - 8.F.A.3 | Tutorified.com Quizzes

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Math Grade 8 Quiz Understanding Linear and Non – linear Functions – 8.F.A.3

The equation y=mx+b defines a linear function, where the graph of the function is a straight line. Here, ‘m’ represents the slope of the line, and ‘b’ is the y-intercept. This standard requires students to understand the concept of linear functions and to identify functions that are not linear by examining their graphs and the relationships between the variables.

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Question 1 of 10

1. Question
Which of the following equations represents a linear function?
- A) y=2x 2 +3
- B) y=4x−5
- C) y= x
- D) y=x 3
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Question 2 of 10

2. Question
Which equation is in the form y=mx+b?
- A) y=3x 2 +4
- B) y=2x+7
- C) y=x 2
- D) y=4/x
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Question 3 of 10

3. Question
Which of the following functions is not linear?
- A) y=5x−3
- B) y=x 2 +4x+4
- C) y=7x
- D) y=−2x+10
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Question 4 of 10

4. Question
If m=3 and b=−2, what is the equation of the linear function?
- A) y=3x 2 −2
- B) y=−2x+3
- C) y=3x−2
- D) y=x−5
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Question 5 of 10

5. Question
Which set of points lies on a straight line?
- A) (2,4), (3,9), (4,16)
- B) (1,3), (2,6), (3,9)
- C) (0,1), (1,0), (2,-1)
- D) (1,1), (2,4), (3,9)
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Question 6 of 10

6. Question
The function y=4 x is:
- A) Linear
- B) Quadratic
- C) Exponential
- D) Cubic
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Question 7 of 10

7. Question
Which function describes the area of a square in terms of its side length, s?
- A) A=2s
- B) A=s+s
- C) A=s 2
- D) A=4s
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Question 8 of 10

8. Question
Which statement is true about linear functions?
- A) The graph is always a curved line.
- B) It can have more than one y-value for a single x-value.
- C) The slope represents the rate of change.
- D) The y-intercept is always zero.
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Question 9 of 10

9. Question
Which of the following is an example of a non-linear function based on its graph?
- A) A straight line
- B) A parabola
- C) A horizontal line
- D) A vertical line
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Question 10 of 10

10. Question
The equation y=mx+b can be used to find:
- A) The area of a square.
- B) The volume of a cube.
- C) The y-intercept of a line.
- D) The radius of a circle.
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