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Quadratic Functions
Definitons
rational or irrational numbers
solve the equation
exponent rules
100
The shape of the graph of f(x) = x^2 - 6x + 7
What is a parabola?
100
the distance a number is from zero
What is its Absolute Value?
100
3½ (rational or irrational?)
What is rational ?
100
2x - 4 = 10
What is x = 7
100
19^0
What is 1
200
3 of the 5 methods you have been taught for solving quadratic equations
What is: (1)Graphing (2)Square roots (3)Factoring (4)Completing the Square 0R (5)Quadratic Formula
200
The method of solving a system of equations where you add the two equations together
What is the "elimination" method ?
200
√2 (Rational or irrational?)
What is irrational ?
200
5x - 6 = 3x - 8
What is x = -1
200
3^-2
What is 1/9 or 0.11111111......
300
To "complete the square" the number you would add to fill in the blank x^2 - 8x + ____
What is 16
300
the points where a parabola crosses the x-axis
What are solutions of the quadratic equation? --or-- What are the zeros / roots of the quadratic function?
300
1.6363636363.... (rational or irrational?)
What is rational ?
300
The Absolute Value Equation: l 2x - 1 l = 5
What is x = 3 & -2
300
(2x^3)^5
What is 32x^15
400
the vertex of the graph of this function: f(x) = x^2 + 6x - 5
What is the point (-3, -14).
400
The graph of a function gets closer and closer to this line but never crosses it.
What is an asymptote?
400
pi (rational or irrational?)
What is irrational ?
400
x^2 - 25 =0
What is x = 5 or -5
400
4x^3 times 5x^7
What is 20x^10
500
Solve (x + 1)(x – 3) = 0.
What is x = –1 or 3 ?
500
the square root of -1
What is the imaginary number i ?
500
-2i (rational or irrational?)
What is neither? ---- it's imaginary! ----- all rational & irrational numbers are real
500
6/x = 9/15
What is x=10
500
81^(3/4)
What is 27?