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Linear Functions — Quiz Answers

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1
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If f of x is equal to 4 x plus 12 is graphed on a coordinate plane, what is the y -intercept of the graph?

A
16
B
8
C
12
D
4
2
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The graph of a function must be linear if it has what characteristic?

A
It has a constant slope.
B
It crosses the x -axis more than once.
C
It crosses the y -axis exactly once.
D
It passes through the origin.
3

Which table shows a linear function?

A
Table with 2 columns and 6 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, 'negative 4'; Column 2, 'negative 5' Row 3: Column 1, 'negative 3'; Column 2, 'negative 4' Row 4: Column 1, 'negative 2'; Column 2, 'negative 2' Row 5: Column 1, '2'; Column 2, '2' Row 6: Column 1, '4'; Column 2, '5'
B
Table with 2 columns and 6 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, 'negative 5'; Column 2, 'negative 2' Row 3: Column 1, 'negative 3'; Column 2, '0' Row 4: Column 1, 'negative 1'; Column 2, '2' Row 5: Column 1, '0'; Column 2, '3' Row 6: Column 1, '2'; Column 2, '5'
C
Table with 2 columns and 6 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, 'negative 4'; Column 2, '3' Row 3: Column 1, 'negative 3'; Column 2, '0' Row 4: Column 1, 'negative 2'; Column 2, 'negative 1' Row 5: Column 1, '1'; Column 2, 'negative 3' Row 6: Column 1, '2'; Column 2, 'negative 5'
D
Table with 2 columns and 6 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, 'negative 5'; Column 2, 'negative 4' Row 3: Column 1, 'negative 3'; Column 2, 'negative 3' Row 4: Column 1, 'negative 1'; Column 2, 'negative 2' Row 5: Column 1, '1'; Column 2, '2' Row 6: Column 1, '2'; Column 2, '5'
4

If f of x is a linear function, what is the value of n ? x f of x negative 4 negative 25 negative 1 negative 10 n 20

A
9
B
4
C
2
D
5
5

If f of x is a linear function and the domain of f of x is the set of all real numbers, which statement cannot be true?

A
The graph of f of x has exactly one x -intercept.
B
The graph of f of x has zero x -intercepts.
C
The graph of f of x has infinitely many x -intercepts.
D
The graph of f of x has exactly two x -intercepts.
6

If f of x is a linear function, which statement must be true?

A
f of x has no terms with a coefficient other than 1 .
B
f of x has no x -term.
C
f of x has no constant term.
D
f of x has no x squared -term.
7

What is the slope of the equation y is equal to 5 fourths x minus 7 fourths ?

A
5
B
5 fourths
C
negative 7
D
negative 7 fourths
8

If g of x is equal to 3 x is graphed on a coordinate plane, what is the y -intercept of the graph?

A
2
B
0
C
3
D
1
9

Which graph shows a linear function?

A
Image with description On a coordinate plane with x and y axes marked with negative 5 to 5, there is a curve drawn from quadrant 3 to quadrant 1. It passes through the point (negative 2 comma negative 2) and opens to the right side. It passes through the origin opening to the left side it passes through the point (2 comma 3)
B
Image with description On a coordinate plane with x and y axes marked with negative 5 to 5, there is a straight line of positive slope passing through ( negative 2 comma 5), (0 comma 3), (3 comma 0) and (5 comma negative 2)
C
Image with description On a coordinate plane with x and y axes marked with negative 5 to 5, two lines make a V shape. One line passes quadrant 2 through the point (negative 3 comma 3) and reaches the origin. The other line starts from the origin and passes quadrant 1 though the point (3 comma 3)
D
Image with description On a coordinate plane with x and y axes marked with negative 5 to 5, there is a parabola opening upwards with its vertex at the origin and passing through (negative 2 comma 2) and (2 comma 2).
10

What is the slope of the equation y minus 3 is equal to negative 4 times open paren x minus 5 close paren ?

A
23
B
negative 3
C
negative 4
D
20

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