Math Exam
Find the coordinates of the center and radius x^2+y^2-4x+4y-17=0
(2,-2)
Factor 2x^2+3x-9
(2x-3)(x+3)
The center of the following conic (x-3)²/36 - (y+2)²/81 =1
(3, -2)
Factor 4xy-3y-40x+30
(4x-3)(y-10)
Find the focus of the parabola x=1/32y^2
(8,0)
Write the equation of an ellipse with vertices (-7,0) and (7,0) and co vert. (0,-4) and (0,4)
(x-0)^2/49+(y-0)^2/16=1
Solve x^2/x+9=81/x+9
+9
Add (5+i)-(6-12i)
-1+13i
Add -2x-6/9x + x+6/9x
-1/9
for an infinite geometric series to converge
-1<r<1
Rationalize the denominator √3 -√6/ √3 +√6
-3+2 √2
solve for x -2-2x=2+2x/5
-5/3
Simplify 5/x+5/(1/x)-6
-5x/(6x+1)(x-5)
solve for x -5x^2-2=14x
-7±√39/5
i^51 is equivalent to
-i
The number of bacteria is present in a culture, b, after t minutes is given by the equation....
.4536
How many positive zeros does the following polunomial have
1 positive `
given geometric series an= -3 {1/2} what is common ration
1/2
find the 80th term in -1, 1, 2
157
Log₂8
3
-3,-3/2, 0, 3/2 what is the series
3/2
Simplify 6(4x+8y)+2(3x-6y)
30x+36y
Write in log from 3^3=27
3log27=3
Mutiply x²-4/x+2 *6x^2/2x-4
3x^2
Solve e^.05t=10
46.05
find hte 12th term of the following sequence -17, -13, -9
49
Solve for x -2x³+14x²-24x+20=0
5, 1+i, 1-i - (x-1)²=-1
does the series converge and what is the usm
6
the third term in the 5th row of pascal triangel is
6
Simplify {3x^2/4y}^-3
64y^3/27x^6
Add 5/x+4 +2/x-4
7x-12/(x+4)(x-4)
Simplify 10√162- √405-√200
80√2-9√5
find first term of series if sum of first 3 terms=12
a1=2
find 5th term of geometric sequence a1= r=3
a5=162
What is the domain of a polynomial function
all real numbers
The equa. x^5+2x^4+2x^3 has what kind of solutions
bipolar// -1(+-)i
common diff. for 4th term is 3 and 20th term is 35
d=2
Write in exponential form ln16=x
e^x=16
What conic section is represented x^2+4y^2=4
ellipse
Write the conic cestion is rep. by the equation x^2/25-y^2/9=1
hyperbole
Which expression is equiv. to 3log4+log6-log48
log8
what is n
n=# of terms
sum of arthimetic sequence with a1=60 d=4 an=120
n=16
given the resitrcted domain for the polynomial function what is the range of the function
range -86≤f(X)≤34
Find the roots of the polynomial equation x³-2x²+10x+136=0
roots = 3±5i, -4
find sum of 8, 33/4, 17/2, 35/4 ...50
s=4901
Multiply (x-5){x+2/x^2-25}
x+2/x+5
Simply x^2-2x-25/x^2-x-20
x+3/x+4
Divide x^2+9x+20/x^2-25 ÷x+4/x-4
x-4/x-5
Aolve 4^3x-1=1/256
x=-1
Solve 1/16=64^(3x+5)
x=-17/9
Solve |x-2|=27
x=-25 x=29
Wjat are the zeros for the polynomial
x=1 x=-2/5
solve for x 8x^2=12x-4
x=1/2 x=1
Solve x^2-12x=28
x=14 x=-2
Solve x+1/5x-2/4x=1/20
x=2
Solve 2x+5y=12 and x-3y=-2
x=26/11
Solve √2x-2 +12=14
x=3
Solve 2/x-5=x-6
x=4 x=7
Find x to the nearest 0.01 -- 1.95^x=26
x=4.9
Solve 2^x+1=8^x-2
x=7/2
Solve ln(2x-1)=2
x=e^2+1/2
Find the equation of the polynomial with roots 5, -4, 1
x³-2x²-19x+20=0
What is the equation of the parabola wiht vertex (0,0) and focus (5,0)
y=1/20(y-0)+0
Find the y intercept 7=2*4^x
y=2
what are the possible rational zeros for..
±1/5, 2/5,1,2