Chapter 3 Review Question Preview (ID: 57923)


Review Of Chapter 3 In 8th Grade Math. TEACHERS: click here for quick copy question ID numbers.

How can you tell if a graph is proportional?
a) The graph is a straight line.
b) The graph goes through the origin.
c) The graph is not a straight line.
d) The graph is a straight line that goes through the origin.

How can you tell the initial value of a linear function from a table?
a) It is the value of y when x=0
b) It is the value of y when x=1
c) It is the first value of y in the table
d) It is the first value of x in the table

In a linear equation, y=mx + b, how can you tell the initial value of the function?
a) Find the value of x when y=1
b) Find the value of b
c) Find the value of y when x=1
d) Find the value of m

In a linear equation, y = mx + b, which variable is the rate of change?
a) y
b) x
c) m
d) b

In f(x)=3x - 2, find the output f(9).
a) 15
b) 31
c) 11
d) 25

In f(x) = x^2 + 3x -2, find the output f(-2).
a) 8
b) -12
c) -4
d) 10

Which function rule works for the point (1, 3)?
a) y=2x +3
b) y=2x-3
c) y=2x+1
d) y=2x-1

Which function rule works for the point (-2, 6)?
a) y=4x +14
b) y= -4x +14
c) y= 2x +4
d) y = 2x -4

How do you find the rate of change of a linear function in a table?
a) It is the value of x when y=0.
b) It is the change in x-values.
c) It is the change in y-values.
d) It is the value of y when x=0

The constant of proportionality is found in a graph by ...
a) Finding the biggest point on the graph.
b) Finding the value of y when x=1.
c) Seeing if the graph goes through the origin
d) Finding the value of x when y=1.

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