Discriminant
Solving Quadratics
Add/Subtract Complex Numbers
Multiplying/Dividing Complex
Quadratic Extras
100
Find the discriminant and tell the types of solutions for 3x2 + 5x -2=-0
What is 49, 2 real rational solutions
100
Solve: x2+4x+3=0
What is {-1,-3}
100
(2+3i) + (4+7i)
What is 6+10i
100
(3+2i)(5-i)
What is 17+7i
100
On a graph, the solutions of the system are found at the ___________
What is the x intercepts
200
Find the discriminant and tell what type of solutions for x2 - 3x + 4 = 0
What is -7, 2 imaginary solutions
200
Solve: x2 - 5x - 14 = 0
What is {7,-2}
200
(5+6i) + (4-2i)
What is 9 + 4i
200
(6+2i)(6-2i)
What is 40
200
What is the formula to find the Discriminant?
300
Find the discriminant and tell what type of solutions for 2x2 - 3x + 4 = 8
What is 41, 2 real irrational solutions
300
Solve: 2x2 -3x - 5 = 0
{5/2, -1}
300
(6+5i) - (3+2i)
What is 3+3i
300
(2+3i)(4+7i)
What is -13+26i
300
What two things does the discriminant tell you?
Shows the solutions are real and how many solutions a quadratic equation has.
400
Find the discriminant and tell what type of solutions for -4x2 = 5x + 6
What is -71, 2 imaginary solutions
400
Solve: 4x2+8x+7=4
What is {-1/2,-3/2}
400
(2-7i) - (1-4i)
What is 1-3i
400
1/(2+3i)
What is (2-3i)/13
400
What tells us an equation is a quadratic equation? (think about what the parent function looks like)
The exponent is to the second power x^2
500
Find the values of a for which the equation has 2 imaginary solutions ax2 + 4x - 6 = 0
What is a<-2/3
500
Solve: 2x2 - 7x - 13 = 0
What is
500
i2 = ?
What is -1
500
(5+3i)/(2-2i)
What is (1+4i)/2
500
What is the formula for the quadratic formula?