Worksheets1st Quarter: Homework#3
Total questions: 10
Worksheet time: 13mins
How many real roots does the quadratic equation x2−17x+16=0 have?
0
1
2
3
How many real roots does the quadratic equation x2−4x+4=0 have?
0
1
2
3
How many real roots does the quadratic equation 3x2+2x+5=0 have?
0
1
2
3
Which of the following is the nature of the roots of the quadratic equation if the value of its discriminant is zero?
The roots are not real.
The roots are irrational and not equal.
The roots are rational and not equal.
The roots are rational and equal.
Which of the following is the nature of the roots of the quadratic equation if the value of its discriminant is negative?
The roots are not real.
The roots are rational and equal.
The roots are rational and not equal.
The roots are irrational and not equal.
Which of the following is the nature of the roots of the quadratic equation if the value of its discriminant is positive and a perfect square?
The roots are not real.
The roots are rational and equal.
The roots are irrational and not equal.
The roots are rational and not equal.
The discriminant of a quadratic equation is 121. Which of the following is true about its roots?
The roots are real, rational and equal.
The roots are imaginary and unequal.
The roots are real, irrational and unequal.
The roots are real, rational, and unequal.
The discriminant of a quadratic equation is -18. Which of the following is true about its roots?
The roots are real, rational and equal.
The roots are imaginary and unequal.
The roots are real, irrational and unequal.
The roots are real, rational, and unequal.
The discriminant of a quadratic equation is 0. Which of the following is true about its roots?
The roots are real, rational and equal.
The roots are imaginary and unequal.
The roots are real, irrational and unequal.
The roots are real, rational, and unequal.
Given the equation, x2−3x+6=0 , which of the following is the nature of its roots?
The roots are real, rational and equal.
The roots are imaginary and unequal.
The roots are real, irrational and unequal.
The roots are real, rational, and unequal.
