Download 1)^3√-1/125 simplify -1/5 2)22-13r+r^2 factor completely (r-2)(r

1)^3√-1/125 simplify
-1/5
2)22-13r+r^2 factor completely
(r-2)(r-11)
3)What does it mean to refer to a 20-in tv set or a 25-in tv set? Such unites refer to the diagonal
of the screen, A35-in tv set also has a with of 28 inches. What is its height?
What is the height of a 35in tv?
21in
4)^5√x^15= x3
5) 7x-35/33 divided by x-5/77x =
49
x
3
6)Multiply and simplify assume variables represent nonzero real numbers
x^15*x^0= x15
7)rewrite the following expressions with positive esponets
1
(31xy)^-9/10 =
9
(36 xy)10
8)simplify by removing factores of 1
s6
s^2-36/(s+6)^2 =
s6
9)r^2+5r-36=0 r = 4, -9
10)subtract the polynomials (-7r^2+8r+4)-(9r^2+4) simplify
-17r2+8r
11) factore completely 3x^7-6x^6+18x^5
3x5(x2-2x+6)
12)√12a^2 b = 2a 3b
13)x^1/4*y^1/8*z^1/6 write as a single radical expression
24
x6 y3 z 4
14)Write a quadratic equation in the variable x having the given numbers as solutions. type the
equation in standard form ax^2+bx+c=0 solution:7 only solution
x2-14x+49 = 0
15)12s^2+36st+27t^2 factor completely
3(2s+3t)(2s+3t)
16)Use the quadratic formuly to solve the equation
x^2-5x=-10
5  15 5  15
,
2
2
17)4x(x-6)-5x(x-5)=-1, x=
1 5 1 5
,
2
2
18) in a right triangle find the length of the side not given
b=1, c=√26
5
19)6/z=9/z-1/11
z =33
1
20) rewrite with a rational exponent,^3√22 = 22 3
21) add (2a^4-2a^3+3a^2+11a-7)+(a^5+7a^3+4a^2-3a+4)+(-5a^4+a^2-5a-8)
= a5-3a4+5a3+8a2+3a-11
22)factore the trinomial r^3-4r^2-45r = r(r+5)(r-9)
23)subtract, simplify if possiable 6-8x/x-8-9x-7/8-x
x 1
x 8
24)Perform the indicated operations and simplify
x-8//x-9-x+1/x+9+x-27/x^2-81 =
10
x9
25) express using a positive exponent
1
z^-2 = 2
z
26) Assume that the variables can represent any real number
√(a+8)^2 =|a+8|
27)multipy and simplify
4b^2/5b^2-40b+80*5b-20/2b =
Question is not clear.
28)Divide and simplify h^7/h^15 =
1
h8
29)add (4x^2-4xy+y^2)+(-7x^2-4xy-y^2)+(x^2+xy-3y^2)
= -2x2-7xy-3y2
30)s^2-7s-18=0 s = -2, 9
31)6x^4-7x^2+2= 0 x=
1
1
2
2
,
,
,
3
2
2 3
32)divide (42b^3+23b^2+32b+41)divided by (6b+5)
7b 2  2b  7 
6
6b  5
33) rationalize the denominator. Assume that all expressions under radicals represent positvie
members √r-√s/√r+√s
r  s  2 rs
rs