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Question 1. Multiply. (-4z)^2(2z^3)^2 Question 2...

Question 1. Multiply. (-4z)^2(2z^3)^2

Question 2. If the sides of a square are lengthened by 8cm, the area becomes 169 cm^2. find the length of a side of the original square.

Question 3. Solve. sqrt.9x+81=x+5

Question 4. Simplify by removing factors of 1.

5n^2+5n/40n^2+25n

Question 5. Find a polynomial for the perimeter and for the area. w=a+4, h=a

Question 6. Multiply. (w+1/3)(w+1/3)=

Question 7. 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:4, only solution

Question 8. Jack usually mows his lawn in 5 hours.Marilyn can mow the same yard in 4 hours.How much time would it take for them to mow the lawn together?

Question 9. a)Solve 5x^2=10.

b)Find the x-intercepts of f(x)=5x^2-10.

Question 10. 12 on top of the sqrtrt. sign/(-5)^12=

Question 11. Solve. a^2+3a-40=0

Question 12. Find the x-intercepts for the graph of the equation y=x^2+4x-5

Question 13. Perform the indicated operations and simplify.

z-1/z-2 - z+1/z+2 + z-6/z^2-4=

Question 14. Factor completely.

25m^2+36-60m=

Question 15. Multiply and simplify.Assume variables represent nonzero real numbers. b^12 * b^0=

Question 16. Find the following.Assume that variables can represent any real number. sqrt. (a+8)^2=

Question 17. Convert to decimal notation. 8.66 * 10^7=

Question 18. Use the quadratic formula to solve the equation. x^2-x=-7

Question 19. Solve 10x^4-27x^2+5=0

Question 20. Simplify by taking roots of the numerator and denominator.Assume that all expressions under radicals represent positive numbers. 3 outside top sqrt.27x^5/y^3=

Question 21. Solve. r^2-9r-10=0

question 22. Add. (2a^4-2a^3+2a^2+11a-8)+(a^5+6a^3+6a^2-2a+6)+(-5a^4+a^2-7a-8)=

Question 2. If the sides of a square are lengthened by 8cm, the area becomes 169 cm^2. find the length of a side of the original square.

Question 3. Solve. sqrt.9x+81=x+5

Question 4. Simplify by removing factors of 1.

5n^2+5n/40n^2+25n

Question 5. Find a polynomial for the perimeter and for the area. w=a+4, h=a

Question 6. Multiply. (w+1/3)(w+1/3)=

Question 7. 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:4, only solution

Question 8. Jack usually mows his lawn in 5 hours.Marilyn can mow the same yard in 4 hours.How much time would it take for them to mow the lawn together?

Question 9. a)Solve 5x^2=10.

b)Find the x-intercepts of f(x)=5x^2-10.

Question 10. 12 on top of the sqrtrt. sign/(-5)^12=

Question 11. Solve. a^2+3a-40=0

Question 12. Find the x-intercepts for the graph of the equation y=x^2+4x-5

Question 13. Perform the indicated operations and simplify.

z-1/z-2 - z+1/z+2 + z-6/z^2-4=

Question 14. Factor completely.

25m^2+36-60m=

Question 15. Multiply and simplify.Assume variables represent nonzero real numbers. b^12 * b^0=

Question 16. Find the following.Assume that variables can represent any real number. sqrt. (a+8)^2=

Question 17. Convert to decimal notation. 8.66 * 10^7=

Question 18. Use the quadratic formula to solve the equation. x^2-x=-7

Question 19. Solve 10x^4-27x^2+5=0

Question 20. Simplify by taking roots of the numerator and denominator.Assume that all expressions under radicals represent positive numbers. 3 outside top sqrt.27x^5/y^3=

Question 21. Solve. r^2-9r-10=0

question 22. Add. (2a^4-2a^3+2a^2+11a-8)+(a^5+6a^3+6a^2-2a+6)+(-5a^4+a^2-7a-8)=

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