Linear Equations
Complex Numbers
Quadratic Equations
Other types of equations
Interval Notation
100
The solution to 3(x+1)=2x-1
What is x=-4
100
(2+3i)-(3-4i)
What -1+7i?
100
If A*B=0, then this must be true.
What is A=0 or B=0?
100
The solution to x^(3/2)=27
What is 9?
100
The interval notation for x<5.
What is (-inft, 5)
200
The solution to x/3 = x/2 -2.
What is x=12.
200
(1+2i)*(2-i)
What is 4-3i?
200
The quadratic formula.
What is -b +/- sqrt(b^2-4ac) / 2a?
200
The solution to |x+1|=5
What is x=4, -6?
200
The interval notation for x>=6 OR x<-1.
What is (-infty, -1) U [6, infty).
300
The definition of an inconsistent equation.
What is an equation for which there is no solution?
300
The conjugate of 4+2i
What is 4-2i?
300
The solution to 4x^2-2x=0
What is x=0, 1/2?
300
The solution to sqrt(3x+18) = x
What is x=6, -3.
300
The interval notation for x>=-5 AND x<=10.
What is [-5, 10].
400
The solution to (x+3)/6 = 3/8 + (x-5)/4
What is x=33/2?
400
3/(4+i)
What is (12/17) - (3/17)i?
400
The solution to 3x^2-15=0
What is x=+/- sqrt 5?
400
The solution to 7|5x|+2=16
What is x=2/5, -2/5?
400
The solution to the inequality 3x-5<10 in interval notation.
What is (-infty, 5)?
500
The solution to 4/x = 5/2x +3
What is x=1/2?
500
sqrt(-12)*[sqrt(-4)-sqrt(2)]
What is -4*sqrt(3)-2i*sqrt(6)?
500
The solution to x^2-13x+36=0
What is x=4, 9?
500
The solution to 3x^4-48x^2=0
What x=0, 4, -4?
500
The solution to the absolute value inequality |-2x+2|<=14 in interval notation.
What is [-6, 8]?
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