2025 Grade 8 Final Review #2 Linear Equations

2025
Grade 8
Final Review #2

By NICOLE FERVAN

Multiple Choice

What is the range of the mapping?

• {1, 2, 4}

• {0, 1, 2, 3}

• {0, 3}

• {1, 4}

Multiple Choice

What is the domain of the mapping?

• {1, 2, 4}

• {0, 1, 2, 3}

• {0, 3}

• {1, 4}

Multiple Choice

Which is the set of all y-values or the outputs?

• Domain

• Range

• Relation

• Function

Multiple Choice

What is the range of the table?

• {-4, 0, 1, 3}

• {-2, 0, 2, 3}

• {-4, -2, 0, 1, 2, 3}

• { (0, 0), (2, -4), (3, 3), (-2, 1) }

Multiple Choice

What is the domain of the table?

• {-4, 0, 1, 3}

• {-2, 0, 2, 3}

• {-4, -2, 0, 1, 2, 3}

• { (0, 0), (2, -4), (3, 3), (-2, 1) }

Multiple Choice

What is the range of the graph?

• -2 < y < 10
• -3 < x < 3
• -2 ≤ y ≤ 10
• -3≤ x ≤ 3

Multiple Choice

What is the domain of the graph?

• -2 < y < 10
• -3 < x < 3
• -2 ≤ y ≤ 10
• -3≤ x ≤ 3

Multiple Choice

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D:{0, 1, 2, -4}
  R:{1, -3, -4}
• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}

Multiple Choice

Slope can be found by counting

______________.

• Rise over Run

• Run over Rise

Multiple Choice

Find the slope of the line.

• -4

• 4

Multiple Choice

What is the slope of the line pictured?

• $$\frac{4}{3}$$

• $$\frac{3}{4}$$
  

Multiple Choice

Find slope from the points in the table.

• $$\frac{3}{5}$$  

• $$\frac{5}{10}$$  

Multiple Choice

Find the Slope

• -2

• -1/2

• No Slope

• 2

Multiple Choice

What is the slope formula?

• $$m\ =\ \frac{x_2-x_1}{y_2-y_1}$$

• $$m\ =\ \frac{y_2-y_1}{x_2-x_1}$$

Multiple Choice

Find the slope of:

(1,8) and (3,12)

• 2

• 1/2

• -2

Multiple Choice

Find slope of:

(-2,3) and (4,-5)

• 4/3

• -4/3

• 3/4

• -3/4

Multiple Choice

What is the y-intercept shown on the graph?

• (0, -2)
• (3, 0)
• (0, 3)
• None of these.

Multiple Choice

Find the y-intercept of the graph.

• b = 10

• b = 6

• b = 4

Multiple Choice

Find the y-intercept from the table.

• b = -7

• b = -5

• b = -3

Multiple Choice

Find the y-intercept of the equation:

y = -8x + 5

• b = -8

• b = 5

• b = -5

Multiple Choice

In the equation $$y=\frac{1}{3}x-2$$  , the is the

$$\frac{1}{3}$$  is the ______.

• slope

• y-intercept

Multiple Choice

Find the slope (m) of the line with the equation
$$y\ =\ -\frac{3}{2}x\ +\ 4$$  

• $$m\ =-\frac{3}{2}$$

• $$m\ =\ \frac{3}{2}$$  

• $$m\ =\ 4$$  

• $$m\ =-4$$  

Multiple Choice

Find the y-intercept (b) of the line with the equation
$$y\ =\ -\frac{3}{2}x\ +\ 4$$  

• $$b\ =-\frac{3}{2}$$

• $$b\ =\ \frac{3}{2}$$  

• $$b\ =\ 4$$  

• $$b\ =\ -4$$  

Multiple Choice

If m=3 and b=6, what is the correct slope intercept equation?

• y=3-6
• y=3x-6
• y=3x+6
• y=6x+3

Multiple Choice

What is the slope-intercept equation?

• y= - 2/3x + 3
• y=  2/3x - 3
• y= 2/4x + 3
• y= - 8x - 3

Multiple Choice

Which equation has a positive y-intercept and a negative slope?

• y= 3x - 5
• y= -3x + 5
• y= -3x - 5
• y= 3x + 5