ONLINE MATH QUIZ BEE GR. 9
Authored by Jasmin Nazareno
Mathematics
9th Grade
Used 40+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(EASY) What is the nature of the roots of the quadratic equation if the value of its discriminant is
positive and not a perfect square?
a) Real, rational, equal
b) Real, rational, unequal
c) Real, irrational, unequal
d) Not real
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(EASY) Find the sum and product of the roots of 9x+5+2x2=0.
a) -9/5 & -5/9
b) -9/2 & 5/2
c) 2/9 & -5/9
d) 9/2 & 5/2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(EASY) What is the discriminant of the function
?a) -2
b) -8
c) 0
d) 6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(EASY) Find the vertex of the parabola
?a) (-5,3)
b) (5,3)
c) (-5, -3)
d) (5, -3)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(EASY)
What is the value of
a) 10
b) 100
c) 1,000
d) 10,000
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(AVERAGE) If y varies inversely as x, and y = 1/5 when x = 9, find y when x = –3.
a) -3/5
b) -4/5
c) 1/5
d) 5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(AVERAGE) The width of a wall is 5 m less than its length. If the area of the wall is less than 50 m2, which of
the following could be its length?
a) 4m
b) 7m
c) 9m
d) 10m
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