3 years ago
joguerra
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• Question 1
60 seconds
Q. The solutions of the quadratic equation
x2-5x+6=0 are
x=1 or x=-6
x=3 or x=2
x=-3 or x= 2
x=-1 or x=6
• Question 2
30 seconds
Q. In the quadratic formula, if b2-4ac>0, then the quadratic equation has
two imaginary solutions
two different real solutions
two equal real solutions
none of these
• Question 3
60 seconds
Q. To complete the perfect square trinomial in the expression x2-22x+_____, we need to add
11
44
121
144
• Question 4
20 seconds
Q. In the quadratic formula, the expression
b2-4ac is called
discrim
determinant
discriminant
none of these
• Question 5
20 seconds
Q. In the expression 4x2-5x+9 the leading coefficient is
9
-5
-4
4
• Question 6
180 seconds
Q. The solution of the quadratic equation
4x2-5x-9=0 are
x=-1 or x=9/4
x=1 or x=9/4
x=2 or x=3
x=-2 or x=-3
• Question 7
20 seconds
Q. If 3+2i is a solution of a quadratic equation, then other solution of this quadratic equation is
2-3i
3+2i
1/3 -1/2i
3-2i
• Question 8
60 seconds
Q. One solution of the quadratic equation
x2-7x+12=0 is
x=3
x=2
x=-3
x=-2
• Question 9
30 seconds
Q. Fill the blank space to complete the perfect square trinomial
x2-18x+____=(x- ____)2
9 and 3 respectively
81 and 9 respectively
-9 and -3 respectively
-81 and -9 respectively
• Question 10
60 seconds
Q. Which of the followig trinomial is perfect square trinomial?