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The Rectangular Coordinate System 1
A
B
C
Result
. . . .

Choose the correct answer to each question.

1. Which of the following denotes an ordered pair?
3,  4
(3,  4)
{3,  4}
[3,  4]
Answer: ( 3 ,    4 )
2. What are the values of a and b such that (a+3,  −7)=(5,  b)?
a=−2;  b=7
a=2;  b=−7
a=−2;  b=−7
none of the choices
Answer: a = 2 ;    b = − 7
3. On the rectangular coordinate system, what are the coordinates of the origin?
(x,  0)
(0,  y)
(0,  0)
none of the choices
Answer: ( 0 ,    0 )
4. Where do points with coordinates of the form (x,  0) lie?
x-axis
y-axis
origin only
none of the choices
Answer: x-axis
5. Where do points with coordinates of the form (0,  y) lie?
x-axis
y-axis
origin only
none of the choices
Answer: y-axis
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