1. Which of the following quadratic equations has no real roots?
A x^2-8x -4=0 B. 2x^2 + 4x - 3=0 C.-2x^2+x+7=0 D. 3x^2 - 2x + 5=0
2. What is the value of the discriminant that results in a real, rational and equal solution?
A. Zero
B. negative
C. positive
D. imaginary
3. If the sum of the roots of the equation x^2 - 5x + 3 = 0 is added to the product of its roots, then the result is
A. 8
B. 5
C.-3
D. -5
4. Find the roots of
1/3x+4x/6=1
A. -1/2and -1
B 1/2 and 1. C 3 and-6 D 1/3 and 6 5. Find the equation whose are 1/3 and -7/2
A. 7x^2- 18x + 6 = 0. B. x^2+ 3x + 6 = 0
C. 3x^2 + 8x + 7 =0
D. 6x^2+ 19x - 7 =0