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WorksheetsQ1 quiz 2
Total questions: 10
Worksheet time: 6mins
In x2 + 5x + 6 = 0, find the sum and product of the roots.
-5, 6 respectively
5, 6 respectively
5,-6 respectively
1,6 respectively
The coefficients of a quadratic equation are all integers. The discriminant is 0.
Which statement best describes its roots?
Two irrational roots
No Real roots
One rational root
Two distinct rational roots
What is the sum and product of roots for this equation -3x2 - 6x + 1 = 0?
Sum of Roots = 2 , Product of Roots = 3
Sum of Roots = -2 , Product of Roots = 3
Sum of Roots = -2 , Product of Roots = 1/3
Sum of Roots = -2 , Product of Roots = -1/3
What is the sum of the roots of the quadratic equation X2 + 6x – 14 = 0?
-2
-6
-8
-14
The quadratic equation 2x2 – 4x + d = 0 has only one root. Use the discriminant to determine the value of d.
-2
2
3
4
If the discriminant value of a quadratic function is greater than zero, then the roots are?
equal
complex
real
not real
If the discriminant value of the quadratic function is a perfect square, then the roots are?
rational
irrational
complex
not real
If the roots of x2 - 5x + 1 = 0 are r and s , then find (r + s)2.
1
5
10
25
If the roots of 2x2 + 3x − 4=0 are A and B. Find A2 + B2
425
25
21
415
What are the values of a, b, and c in 5x2 -7x + 4 = 0?
5,7,4,respectively
5, -7, 4 respectively
4,5,-7 respectively
5x2 , -7x, 4 respectively
