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Elementary,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 352 Weeks Ago, 5 Days Ago |
| Questions Answered: | 20103 |
| Tutorials Posted: | 20155 |
MBA, PHD
Phoniex
Jul-2007 - Jun-2012
Corportae Manager
ChevronTexaco Corporation
Feb-2009 - Nov-2016
NEED ALL PROBLEMS ANSWERED!!!!!!!!
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1. Find the following root. If the root does not exist as a real number, write "DNE".
4√−625=
2. Factor completely, if possible.
126x3+129x2+18x=
3. Multiply:
√10⋅√5=
4. This problem is one you'll see later in the book. Apply the distributive property, then simplify if possible.
−1(2−a)=
5. Evaluate the following.
−(−3)2=
6. Find x and y so 4+2i=4x−8yi is true.
x=
y=
7. Simplify:
(y2−25)⋅3y+5=
8. Factor completely.
48a2(x−8)−27(x−8)=
9. Find the following root. If the root does not exist as a real number, write "DNE".
4√16=
10. Use the commutative, associative, and distributive properties to simplify the following.
2(b+2)−(5b−4)
11. Apply the distributive property to the expression.
x(1−6x)=
12. Use the commutative, associative, and distributive properties to simplify the following.
2(4−4x)−(2−x)=
13. Simplify the following by combining similar terms.
Subtract 3x2−5 from 3x2+5.
14. Simplify the following by combining similar terms.
Subtract −y2−y+1 from −3y2+y+3.
15. Divide. (Assume all variables are nonzero.)
8a7b82a3b4=
16. Combine the following rational expressions.
x−23x−9−2x2−9=
17. Use the properties of exponents to simplify each expression. Write all answers with positive exponents only. (Assume variables are nonzero.)
(a7)5(a6)5=
18. Use the commutative, associative, and distributive properties to simplify the following.
5a+1+3a+2a=
19. Combine the following expressions. (Assume any variables under an even root are nonnegative.)
8√10−5√10=
Use "sqrt(2)" for √2 and "root(x)(2)" for x√2.
20. Find x and y so (3x−1)−3i=−4+3yi is true.
x=
y=
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