What is the standard equation of the circle with a radius of 9 and a center at (5,-8)?
(x-5)2+(y+8)2=81
100
Even is symmetric to _______.
y-axis.
100
What is the point slope formula?
(y-y1)=m(x-x1)
100
There are 7 people. How many ways can 1st through 4th place be selected?
840 ways
200
What is the expansion form of: log732
2log73
200
What is the distance formula?
d=√(〖(a-c)〗^2+〖(b-d)〗^2 )
200
Odd is symmetric to ________.
the origin.
200
What is the equation of the circle in standard form: x2+y2-10=-15
(x-5)2+y2=10
200
How many ways can you select 2 members of a class of 30?
435
300
What is the expansion form of: log4 x2/y
2log4x-log4y
300
How do you find the foci for a parabola with a horizontal directrix?
F=(h,k+p)
300
How do you find out if an equation is even?
If you subsitute -1 in for x, and none of the signs change.
300
What is the standard equation of a circle with center at the origin and a radius of 7?
x2+y2=49
300
What is the mean of 10, 10, 15, 15, 20, 20, 35, 40, 50, 80?
29.5
400
What is the expansion form of: log4x3/3y
3log4x-log43+log4y
400
For an ellipse, your major axis is your __________.
Longer axis.
400
How do you find out if an equation is odd?
If you subsitute -1 in for x, and all of the signs change.
400
What is the equation of the line tangent to the circle (x+2)2+(y-6)2=74 at (3,-1)?
y-(-1)=5/7(x-3)
400
There are 8 books on a shelf. If 3 books are chosen at random, how many different groups of 3 books could be chosen?
56
500
What is the expansion form of: log2√(2x-1)/3
1/2 log2 (2x-1)-log23
500
The center is the intersection of a _____________and a _____________.
Transverse axis
Conjugate axis
500
When only some signs change, there is ___ __________.
no symmetry.
500
State the center and radius of the circle 2x2+4y+2y2=12+12x.
Center:(3,-1) Radius: 4
500
To log onto the school computer, each student must choose 2 letters and 2 numbers in that order. Each letter and number may be used only once. How many different passwords are possible? Hint- numbers: 0-9 letters: 26