simplify
Complex Numbers
Solve
Complete the Square
Quadratic Formula and Discriminant
100
Square root(125)
What is 5 square root(5)
100
(6 + 4i) + (2-i)
What is -4 -3i
100
x^2=-16
What is +- 4i
100
x^2-4x+8=0
What is 2+-2i
100
Find the discriminant and tell the number and type of solution x^2 +3x-8=0
What is 1, 2 real
200
Square root(243)
What is 9 square root(3)
200
(9-2i)(9+2i)
What is 85
200
3x^2=-27
What is +-3i
200
x^2-6x=7
What is (7,-1)
200
Find the discriminant and tell the number and type of solution x^2-8x+16=0
What is 0, 1 real
300
Square root (81/125)
What is (9 square root(5))/25
300
(10-7i)^2
What is 51-140i
300
(y-3)^2=-49
What is y=3+-7i
300
x^2-10x=1
What is x=5+- square root(26)
300
Solve using the quadratic formula 4x^2 +x=3
What is x=(3/4), -1
400
6 square root (5) * Square root(5)
What is 30
400
3/(5+i)
What is (15-3i)/26
400
4(x+5)^2=-8
What is x=-5+-i square root(2)
400
3x^2-4x=4
What is x=(-2/3), 2
400
Solve using the quadratic formula x^2 +10x +25=0
What is x=-5
500
Square root(15) * square root(3)
What is 3 square root(5)
500
2i/(4-i)
What is (-2+8i)/17
500
(1/4)(x+2)^2=5
What is x=-1+-2i square root(5)
500
5x^2+6x=8
What is x=(4/5), -2
500
Solve using the quadratic formula x^2 +3x -8=0
What is (-3/2)+- (square root(41))/2
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