Quadratics
What is (-5, -10)?
This is 4x2 - 49 factored.
What is (2x + 7)(2x - 7)?
Give an example of a cubic binomial with positive left end behavior.
What is [insert any cubic binomial with negative leading coefficient]?
This the simplified form of the rational expression (x2 - 36)/(x2 - 4x - 12).
What is (x + 6)/(x + 2)?
This is the factoring rule I should use to factor x3 - 1.
What is the difference of cubes?
For a certain company, the daily cost to produce x number of products is given by C(x) = 0.04x2 - 8.504x + 25302. Find the number of units to produce daily in order to minimize costs. Round to the nearest whole number.
What is 106?
This is the discriminant of the quadratic 2x2 + 7x - 11.
What is 137?
Divide 3x4 - 2x2 + x - 10 by x + 6. Give the quotient and the remainder.
This is the simplified form of the rational expression x/(x+1) - 1/(x2 + x).
What is (x - 1)/x?
What are Mr. Lester's cats names?
Who are Kenai and Luna?
For a standard form quadratic function f(x) = ax2+bx+c, this point is the y-intercept.
What is (0, c)?
Factor 12x2 - 27x.
What is 3x(4x - 9)?
Find all of the zeros of x3 - 5x2 - 9x + 45 without using a graphing calculator.
What are -3, 3, 5?
This is the simplified form of the radical expression (27x3y4)1/2.
This is what I should always check for first when factoring any expression.
What is a greatest common factor?
What is (2x-4)(x-3)?
This is the domain of the square root function f(x) = [square root of (x + 6)].
What is [-6, infinity) or "x greater than or equal to -6" or some equivalent?
Find a polynomial function in expanded form with a zero of x=1 with multiplicity 2, a zero of x=0 with multiplicity 1, and a zero of x = -3 with multiplicity 1.
What is g(x) = x4 + x3 - 5x2 + 3x?
This is the real solution of the radical equation (3x + 1)1/2 + 7 = x + 6.
What is x = 5?
Give the mean, median, and mode of the data set {1, 1, 5, 11, 17, 28, 51}.
What is...
mean is 16.286
median is 11
mode is 1?
What is x2+6x+13?
If a quadratic function f(x) has a positive a-value, and a vertex below the x-axis, what has to be true about b2 - 4ac?
What is that b2 - 4ac > 0?
This is where I find the zeros of a function on a graph of that function.
What is where the function hits the x-axis?
This is how you correctly spell the term for fake solutions for rational and radical equations.
This is what I have to make sure of first any time I am trying to solve a quadratic equation.
What is I need to get 0 on one side of the equation?