Quiz 1 Real Numbers Functions, and Graphs
Authored by Xam Amican
Life Skills, Professional Development, Mathematics
3rd - 4th Grade
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the coordinates of the point lying at the intersection of the lines x = 9 and y = −4?
(9, −4)
(-9, −4)
(+9, +4)
(-9, +4)
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
In which quadrant do the following points lie? and Why?
(a) (1, 4)
(b) (−3, 2)
(c) (4, −3)
(d) (−4, −1)
A) I,
B) II,
C) IV, D) III.
A) I,
B) III,
C) II, C) IV.
A) IV,
B) III,
C) II, C) I.
A) I,
B) II,
C) III, C) IV.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the radius of the circle with equation (x − 9)2 + (y − 9)2 = 9?
3
4
5
6
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The equation f (x) = 5 has a solution if (choose one):
(a) 5 belongs to the domain of f .
(b) 5 belongs to the range of f .
(b) -5 belongs to the domain of f .
(b) -5 belongs to the range of f .
5.
OPEN ENDED QUESTION
45 sec • 2 pts
Express the interval in terms of an inequality involving absolute value
[−2, 2]
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6.
OPEN ENDED QUESTION
45 sec • 2 pts
Write the inequality in the form a<x<b.
|x| < 8
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7.
OPEN ENDED QUESTION
45 sec • 3 pts
Express the set of numbers x satisfying the given condition as an interval.
|x| < 4
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