Question 1

Find the constants m and b in the linear function f(x) = mx + b so that f(1) = 2 and the straight line represented by f has slope – 1.
A.
some_text
B.
some_text
C.
some_text
D.
some_text

 

Question 2

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A.
some_text
B.
some_text
C.
some_text
D.
No solution

 

Question 3

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A.
x = 16, y = 0, z = 16, t = 0, u = 80, v = 21, w = 61, P = 180
B.
x = 0, y = 16, z = 0, t = 0, u = 80, v = 21, w = 61, P = 96
C.
x = 80, y = 16, z = 0, t = 0, u = 0, v = 21, w = 61, P = 68
D.
x = 80, y = 0, z = 0, t = 16, u = 80, v = 21, w = 61, P = 174

 

Question 4

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A.
some_text
B.
some_text
C.
some_text
D.
some_text

 

Question 5

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A.
some_text
B.
some_text
C.
some_text
D.
No solution

 

Question 6

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A.
some_text
B.
some_text
C.
some_text
D.
No solution

 

Question 7

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A.
some_text
B.
some_text
C.
some_text
D.
some_text

 

Question 8

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A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
some_text

 

Question 9

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A.
some_text
B.
some_text
C.
some_text
D.
infinitely many solutions
 
E.
no solution

 

Question 10

Metro Department Store’s annual sales (in millions of dollars) during 5 years were

Annual Sales, y 5.8 6.1 7.2 8.3 9
Year, x 1 2 3 4 5

Plot the annual sales (y) versus the year (x) and draw a straight line L through the points corresponding to the first and fifth years and derive an equation of the line L.

A.
some_text
some_text
B.
some_text
some_text
C.
some_text
some_text

 

Question 11

If the line passing through the points (2, a) and (5, – 3) is parallel to the line passing through the points (4, 8) and (- 5, a + 1) , what is the value of a?
A.
B.
C.
D.

 

Question 12

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A.
some_text
B.
some_text
C.
some_text
D.
some_text

 

Question 13

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A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
y is not a linear function of x.

 

Question 14

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A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
some_text

 

Question 15

Determine whether the equation defines y as a linear function of x. If so, write it in the form y = mx + b. 8x = 5y + 9
A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
y is not a linear function of x.

 

Question 16

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A.
( 0, 2 )
B.
( 8, 2 )
C.
( 4, –6 )
D.
( –2, 4 )
E.
( 4, –2 )

 

Question 17

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A.
The matrix is in row-reduced form.
B.
The matrix is not in row-reduced form.

 

Question 18

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A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
some_text

 

Question 19

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A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
some_text

 

Question 20

Find the slope of the line that passes through the given pair of points.
(2, 2) and (8, 5)
A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
some_text

 

Question 21

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A.
( 7, –3 )
B.
( 6, –2 )
C.
( 2, –6 )
D.
( –6, 2 )
E.
( –7, –2 )

 

Question 22

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A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
some_text

 

Question 23

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A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
some_text

 

Question 24

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A.
some_text
B.
some_text
C.
some_text
D.
some_text
E.
some_text

 

Question 25

Find an equation of the line that passes through the points (1, 4) and ( -7, -4)
A.
B.
C.
D.