QUADRATIC EQUATIONS
DRAFT
9th - 12th grade
2185 times
Mathematics
60%
average accuracy
3 years ago
joguerra
2
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QUADRATIC EQUATIONS
DRAFT
3 years ago
by
joguerra
Played 2185 times
2
9th - 12th grade
Mathematics
60% average accuracy
2
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10 Questions
Show answers
Question 1
SURVEY
60 seconds
Q. The solutions of the quadratic equation
x
2
-5x+6=0 are
answer choices
x=1 or x=-6
x=3 or x=2
x=-3 or x= 2
x=-1 or x=6
Question 2
SURVEY
30 seconds
Q. In the quadratic formula, if b
2
-4ac>0, then the quadratic equation has
answer choices
two imaginary solutions
two different real solutions
two equal real solutions
none of these
Question 3
SURVEY
60 seconds
Q. To complete the perfect square trinomial in the expression x
2
-22x+_____, we need to add
answer choices
11
44
121
144
Question 4
SURVEY
20 seconds
Q. In the quadratic formula, the expression
b
2
-4ac is called
answer choices
discrim
determinant
discriminant
none of these
Question 5
SURVEY
20 seconds
Q. In the expression 4x
2
-5x+9 the leading coefficient is
answer choices
9
-5
-4
4
Question 6
SURVEY
180 seconds
Q. The solution of the quadratic equation
4x
2
-5x-9=0 are
answer choices
x=-1 or x=9/4
x=1 or x=9/4
x=2 or x=3
x=-2 or x=-3
Question 7
SURVEY
20 seconds
Q. If 3+2i is a solution of a quadratic equation, then other solution of this quadratic equation is
answer choices
2-3i
3+2i
1/3 -1/2i
3-2i
Question 8
SURVEY
60 seconds
Q. One solution of the quadratic equation
x
2
-7x+12=0 is
answer choices
x=3
x=2
x=-3
x=-2
Question 9
SURVEY
30 seconds
Q. Fill the blank space to complete the perfect square trinomial
x
2
-18x+____=(x- ____)
2
answer choices
9 and 3 respectively
81 and 9 respectively
-9 and -3 respectively
-81 and -9 respectively
Question 10
SURVEY
60 seconds
Q. Which of the followig trinomial is perfect square trinomial?
answer choices
x
2
+4x+9
x
2
-22x-121
x
2
+4x-9
x
2
-22x+121
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