Unit 1
sqrt(-1)
What is the imaginary unit, i?
ax^2+bx+c
What is the standard form of a quadratic expression?
The coefficients of the variables in the expression 2x^2 - 1/2x + 4
What are 2 and
-1/2
A number multiplied by a variable in an algebraic expression.
What is a coefficient?
The vertex of a parabola always occurs directly between these x-values, if they are present.
What are the x-intercepts?
The complex conjugate of (3 + 4i).
What is (3 - 4i)
The characteristic of a parabola that can be identified when the standard form of a quadratic is given.
What is the y-intercept (c)?
The constant term of the equation for the area of a circle given by A = pir^2 , where r is the radius of a circle.
What is: there is no constant term?
A polynomial with two terms.
What is a binomial?
(f(b)-f(a))/(b-a)
What is the formula for the average rate of change of a function from x = a to x = b?
This number, when raised to the power of 3/4 , equals 8.
What is 16?
The minimum number of x-intercepts the graph of a quadratic could have.
What is 0?
The factored form of x^2 + 20x + 19
What is (x+19)(x+1)?
DAILY DOUBLE
When the product of two factors equals 0, then one or both of those factors must be equal to 0.
What is the Zero Product Property?
This method can be used to factor quadratics with a leading coefficient other than 1.
What is the Slide 'n Divide method?
These numbers cannot be written as the ratio of two integers.
What are irrational numbers?
The vertex form of a quadratic equation, given that the vertex is at (4,-8) and passes through the point (2,20).
What is
y=7(x-4)^2-8
The difference of the square of x and the sum of nine and x.
What is
x^2-(9+x)
An equation that can be written in the form ax^2+bx+c = 0 where a, b, and c are real numbers and a does not equal 0.
What is a quadratic equation?
A number that is multiplied by another number to find a product.
What is a factor?
DAILY DOUBLE
root(3)(x^7) written in rational exponent form.
What is
x^(7/3)
The average rate of change of the function g(x) = -3x^2+12x-2 between x = 0.1 and x = 0.2.
What is 11.1?
The solution(s) to 2x^2-5x+2
What are x = 0.5 or x = 2?
The largest factor that two or more terms have in common.
What is the Greatest Common Factor (GCF)?
The airspeed velocity of an unladen swallow.
What is 42?