Quadratic
Equations
Complex
Numbers
Factoring
Systems of Equations
GRAPHS!!
100
Solutions for x^2 = 4
What are 2 and -2?
100
Simplify i^2
What is -1?
100
Factor the perfect square trinomial ... x^2 + 20x + 100
What is ... (x + 10)(x + 10)
100
What we call a system of equations that has infinitely many solutions ....hint - its one of these: "independent" "dependent" "consistant" "inconsistant"
What is dependent?
100
What the graph of this equation looks like: ... x = -6
What is a vertical line?
200
Solutions for 6x^2 + 30 = 0.
What are i√5 and -i√5 ?
200
Simplify i^4
What is 1?
200
Factor the difference of squares ... 4x^2 - 49
What is ... (2x + 7)(2x - 7) ?
200
How many solutions this system of equations has: y = 3x - 7 ..... y = 3x +2
What is none (the lines are parallel)
200
What the graph of this equation looks like: .... 2x^2 - 3x + 7 = y
What is a parabola (U shape)?
300
Solutions for x^2 + 6x + 8 = 0.
What are -4 and -2?
300
Simplify (2 + 4i) + (4 - i).
What is 6 + 3i?
300
Factor 4x^2 + 4x - 3
What is (2x + 3)(2x - 1) ?
300
Of these four choices: (2, 2) (0, 0) (8, -2) (4, -1) , the point that is the SOLUTION of the system of equations: ....................... 2x + 3y = 10 ............... x + 4y = 0
What is (8, -2)
300
What the graph of an absolute value equation looks like
What is a V shape?
400
The formula for finding the discriminant of a quadratic equation
What is ... b^2 - 4ac
400
Simplify (12 + 5i) - (2 - i).
What is 10 + 6i?
400
Factor by grouping: 13x^3 - 8x^2 + 13x - 8
What is .. (x^2 + 1)(13x - 8) ?
400
You would multiply the FIRST EQUATION by this number in order to solve by the ELIMINATION method ............................ 2x + 7y =12 .............. -8x + 6y = 9
What is 4? (then you can add the equations and the x's would be eliminated)
400
the axis of symmetry of the parabola given by ... y = 5x^2 - 10x + 1
What is x = 1 ?
500
For this equation ... y = x^2 + 4x + 5 ... the type of solutions (real, imaginary, or one of each) Hint: use the discriminant
What are imaginary solutions?
500
Simplify (-6 - 5i)(1 + 3i)
What is 9 - 23i?
500
Factor completey: 3x^3 + 2x^2 - 75x - 50
What is .. (x - 5)(x + 5)(3x + 2) .. ?
500
The solution of this system of equations .... x + y = 12 .... x - y = 2
What is (7, 5) ?
500
The y-intercept of the graph of ... y = 2x^2 + 3x - 5
What is -5 ?
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