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Envision 8th Grade Chapter 3 Flashcards | StudBud
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Envision 8th Grade Chapter 3
y=x+2 is linear.
Functions can be linear and nonlinear.
Envision 8th Grade Chapter 3
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Answers
1
Functions can be linear and nonlinear.
False
True
2
y=x+2 is linear.
True
False
3
Which of the following has the greatest slope?
y=4x-7
y=9x
y=x+9
y=-12x+14
4
y=x
2
is linear
False
True
5
The rate of change from (0,0) to (1,2) is:
5
2
3
.5
6
Slope-Intercept form of a line can be represented with the formula:
Ax+By=C
y=mx+b
y=Bx
y=Kx
7
An x-intercept is:
the point in which the functions crosses the x-axis
change in x divided by the change in y
change in y divided by the change in x
the point in which the functions crosses the y-axis
8
Linear Relationships are Proportional.
True
False
9
If a function is decreasing then:
the slope is positive
the slope is negative
the y-intercept is positive
the slope is zero
10
Which of the following has the greatest y-intercept?
y=x+12
y=9x+2
y=2x
y=4x+5
11
A y-intercept is:
change in x divided by the change in y
change in y divided by the change in x
the point in which the functions crosses the x-axis
the point in which the functions crosses the y-axis
12
If a function is constant then:
the y-intercept is positive
the slope is zero
the slope is positive
the slope is negative
13
Functions can be represented with:
Multiplication, Division, Addition, and Subtraction
Equations, Tables, Lists, Graphs, and Maps
Triangles, Squares, Circles, Arcs, and Lines
Slope, Intercepts, and Coordinates
14
The rate of change from (1,2) to (3,4) is:
.75
2
.5
1
15
A function is:
a formula
a pairing of values in which each output is paired with only one input
a pairing of values
a pairing of values in which each input is paired with only one output
16
If a function is increasing then:
the slope is positive
the slope is negative
the y-intercept is negative
the y-intercept is positive
17
y=2x-5 is linear.
True
False
18
Which of the following equations represent a line with a slope of 4 and a y-intercept of -3?
y=4x-3
3y=4x
4y=x-3
y=-3x+4
19
y=2
x
is linear.
False
True
20
Y=2x is linear.
False
True
21
Proportional Relationships are Linear.
False
True
22
Slope is:
change in x divided by the change in y
the point in which the functions crosses the x-axis
change in y divided by the change in x
the point in which the functions crosses the y-axis
23
Linear functions have a constant rate of change.
True
False
24
Which of the following functions is NONLINEAR?
y=2x+1
y=4x
y=x3
y=x-5
25
Proportional relationships pass through the origin.
False
True
