Solving (Roots and Factoring)
The square root solution of:
x2 = -81
What are 9i and -9i ?
The sum of: (-2 + 3i) + (5 - 2i).
What is 3 + i ?
The square root solution of:
x2 = -144
What are 12i and -12i ?
The discriminant, type and number of solutions for:
x2 - 15x +12 = 0.
What is 177 and two real solutions?
The square root solution of:
x2 = -108
What are 6i sqrt(3) and -6i sqrt(3) ?
The difference of: (-6 + 7i) - (3 - 5i).
What is -9 + 12i ?
The difference of: (8 + 5i) - (6 - 7i).
What is 2 + 12i ?
The discriminant, type and number of solutions for:
3x2 - 6x +4 = 0.
What is -12 and two imaginary solutions?
Margaret runs a business's revenue is given by the function R = −0.5x2 − 200x. Can her revenue be at least $25,000 this year. (discriminant question)
What is no ?
The solutions to 2x2 + 72 = 0.
What are 6i and -6i ?
The product of (4 -3i)(-5 + 4i).
What is -8 + 31i ?
The quotient of 3i/(-2 + i).
What is (3 - 6i)/5 ?
The value(s) of k that will cause the equation 4x2 + kx + 4 = 0 to have one real solution.
What is 8 and -8 ?
The solution(s) to x2 + 4x - 5 = 0.
What are -5 and 1 ?
The solutions to x2 + 25 = 0.
What are 5i and -5i ?
The product of (2 - i)(-3 + 6i).
What is 15i ?
The quotient of (5 + 2i)/4i.
What is (2 - 5i)/4 ?
The value(s) of k that will cause the equation 4x2 + kx + 4 = 0 to have, two real solutions.
What are k > 8 and k < -8 ?
The solution(s) to 3x2 + 2x + 1 = 0.
What is (-1 +- i sqrt(2))/3 ?
The solutions to 9x2 + 1 = 0.
What are i/3 and -i/3 ?
The product of (5 - 3i)(5 + 3i).
What is 36 ?
The quotient of (3 - 2i)/(4 - 3i).
What is (18 + i)/25 ?
The value(s) of k that will cause the equation 4x2 + kx + 4 = 0 to have zero real solutions.
What is -8 < k < 8 ?
The solution(s) to x2 -15x + 7 = 0.
What is (15 +- sqrt(197))/2 ?