Quadratic Functions
-Key features
-Key features
Define a root
What is another word for an X intercept
How to determine if a quadratic equation is going to have a minimum or maximum.
What is finding out whether it is going up or down
How is this equation transformed? y=a(x)2+4
What is transformed up by 4
The information that you can get from a Y-intercept in an exponential function.
What is where the changing number is at when X=0
The purpose that exponents have
What is multiplying something by itself multiple times
Define a solution in the context of a quadratic equation.
What is yet another name for a X-Intercept
What is determining if it is positive or negative
Define a transformation
What is when an equation is moved vertically or horizontally
The usage of this equation g(x)=-(2)x
To show that this equation is exponentially changing.
The purpose that exponential growth graphs have
What is showing something that is changed by an increasing or decreasing amount over time
Define a line of symmetry.
What is the imaginary line in any quadratic formula that divides two equal halves
How to determine whether an equation opens upwards or downwards
What is determining whether it has a minimum or maximum
Uses for a vertex form
Another way to write out a parabola
The usage of this sign ()x
What is showing how the equation is exponentially changed
If you have a car that constantly halves the distance between itself and its destination, when will it reach the end goal.
This is a trick question; it cannot reach its end goal, it will just get very close to it
Define a minimum/maximum
What is the peak of a quadratic equation
How to determine where the axis of symmetry is
What is finding the center of the line
How is this equation transformed? y=a(x+3)(x)
What is transformed left by 3
Define a horizontal asymptote.
What si a line that gets very close to, but never touches, an exponentially changing line
A radioactive substance decays at a rate of 3.5% per hour. How much of the substance is left after 6 hours
What is 80.75%
Define a quadratic equation.
What is an equation that can be expressed in the general form of ax2+bx+c=0, where a, b and c are numerical coefficients or constants, and the value of x is variable.
How to determine if an equation is quadratic
What is if it has a squared term as its highest power
How is this equation transformed? y=a(x)(x-4)
What is transformed right by 4
The information you can get from an X-Intercept
This is a trick question; you cannot have an X-Intercept in an exponential function.
You put 3800 dollars in a savings account. the bank will provide 1.8% interest on the money in the account per year. Write an equation showing how much money you would have in 15 years.
What is 3800(1.018)15