An______function has the form y=ab^x where a is not 0 and the base b is positive number other than 1
What is exponetial
100
What is the shape of a conic
What is cone
100
A_____variale is a variable whose value is determined by the outcome of a random event
What is random
100
What is the euqation for parabola with a hrizontal axis?
What is (y-k)^2=4p(x-h)
100
What is a line that a graph approaches more aand more closely?
What is an asymptote
200
solve e^-5 x e^2 =
What is 1
__
e^3
200
Tell wheather the parabola opens up,down,left or right
x^2=-4y
What is down
200
What is the probability that a student guesses?
P(x>2) = p(x=2) + P(x=3)
-
What is .5
200
What is the equation for a circle?
What is (x-h)^2+(y-k)^2=r^2
200
What is the equation for an exponential function?
What is y=ab^x
300
write the exponential form 2^4 = 16 in logarithmic form
What is log2 16 = 4
300
Find the center x^2+Y^2=9
What is (0,0)
300
Decided whether the random variable X is discrete or continuous x represents the amount of time it takes to brush your teeth
What is discrete
300
What is the equation of an ellipse with a horizontal axis?
What is ((x-h)^2/a^2)+((y-k^2)/b^2)=1
300
What is the equation for exponential decay?
What is y=ab^x
400
Find inverse y=log3 9x
What is f^-1(x)=3^x-2
400
Rewrite equation in standard form 4x^2-9y^2=36
What is x^2 y^2
____ - ____ =1
9 4
400
The probability that a randomly selected x value lies between x and x+3o is the shaded area under the normal curve shown
What is 49.85%
400
What is the equation for a parabloa with a vertical axis?
What is (x-h)^2=4p(y-k)
400
What is the time requaried for a substance to fall t half its initial value?
What is half-life
500
log7X^2Y
What is 2 log7X+log7Y
500
What is the discriminant of a hyperbola?
What is B^2-4AC>0
500
A normal distribution has a mean of 25 and a standard deviation of 5 find the probability that a randomly selected x- valued from the distribution is in the given interval at least 20