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# \$7.00Algebra

• From Mathematics: Algebra
• Closed, but you can still post tutorials
• Due on Aug. 16, 2010
• Asked on Aug 13, 2010 at 5:29:09PM

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2.) (x-7)^2=25 What are the solutions?

3.) y^2-16y+64=16

4.) Solve by completing the square.  x^2-8x=10

5.) x^2+2x-3=0

6.) a.) Solve x^2+7x-5=0    b.) Find the x-intercepts of f(x)=x^2+7x-5.

7.) If a pro basketbal player has a vertical leap of about 35 inches, what is his hang time? Use the hang-time function V=48 T^2

His hang time is ? seconds. Simplify answer and round to the nearest tenth.

8.) solve for x    x^2+14x+4=0 Simplify answer.

9.) Solve for r     r^2+3r=6

10.) a.) Solve 3x^2-5x-7=0    b.) Find the x-intercepts of f(x)=3x^2-5x-7

11.) Solve for x    12(x-4)-(x+2)=(x+2)(x-4)

12.) 1/x + 1/x+3 = 1/2

13.) Give exact and approximate solutions to three decimal places.  x^2+7x-3=0

14.) sqrt9x+81 =x+5

15.) sqrtx+10 =-4

16.) The flower garden has the shape of a right triangle. 10ft of a perennial border forms the hypotenuse of the triangle, and one leg is 2ft longer than other leg. Find the lengths of the legs. What are the lengths of the legs in feet?

17.)During the first part of a trip, a canoeist travels 44 miles at a certain speed. The canoeist travels 3 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the trip? ( Simplify answer and round to the nearest hundredth.)

22.) Write a quadratic equation having the given numbers as solutions. -9, and -1. (Type answer in standard form. Type an expression using x as a variable.)

23.) Wrte quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form, ax^2+bx+c=0    Solution: 6, only solution

24.) 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:10, only solution.

25.) 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        -sqrt10 , 6sqrt10

26.) Solve w^4-2w^2-2=0

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A:
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The full tutorial is about 10 words long plus attachments.

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I dont solve your problems but I provide a tutorial on solving quadratics that you may find helpful in learning these
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