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Find the possible value or values of y in the quadratic equation 4 – 4y – y 2 = 0.
Weegy: 8y. 2(4y) = 8y User: Find the possible value or values of y in the quadratic equation 4–4y–y2=0. Weegy: 1 User: Find the possible value or values of r in the quadratic equation r 2–7r–8=0. (More)
Question
Expert Answered
Updated 7/25/2013 2:47:55 AM
1 Answer/Comment
babkat13, when answering math questions, it is important to show the solutions to your answer or at least provide a source to where you got your answer from.
You can use math websites like
webmath.com or wolframalpha.com
Added 7/25/2013 2:47:55 AM
Find the possible value or values of r in the quadratic equation r2–7r–8=0. User: Find the possible value or values of z in the quadratic equation z2–4z+4=0.
Weegy: z^2 - 4z + 4 = 0 Factor to get: (z-2)(z-2) = 0 Since the product is zero, one of the factors must be zero: z-2 = 0 Therefore z = 2 Source: (More)
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Expert Answered
Asked 7/25/2013 12:21:19 AM
0 Answers/Comments
The width of a rectangle is 3 inches less than its length. The area of the rectangle is 340 square inches. What are the length and width of the rectangle?
Weegy: The width of a rectangle is 3 inches less than its length. The area of the rectangle is 340 square inches. What are the length and width of the rectangle? The answer is length = 20 inches, width = 17 inches. [ ] User: The hypotenuse of a right triangle is 26 feet long. One leg of the triangle is 14 feet longer than the other leg. Find the lengths of the legs of the triangle. (More)
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Expert Answered
Asked 7/25/2013 12:36:45 AM
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What is the discriminant in the quadratic equation x2+11x+121=x+96? User: Use the discriminant to determine how many real number solutions the quadratic equation –4j2+3j–28=0 has.
Question
Not Answered
Updated 7/5/2014 4:31:49 PM
2 Answers/Comments
x^2 + 11x + 121 = x + 96;

x^2 + 11x - x + 121 - 96 = 0

x^2 + 10x + 25 = 0

Discriminant:
b^2 - 4ac
10^2 - 4(1)(25) = 100 - 100 = 0
Added 7/5/2014 4:29:01 PM
This answer has been confirmed as correct, not copied, and helpful.
–4j^2 + 3j – 28 = 0;
Discriminant:
b^2 - 4ac
3^2 - 4(-4)(-28) = 9 - 448 = -439

Number of solutions: No real solutions.
Added 7/5/2014 4:31:49 PM
This answer has been confirmed as correct, not copied, and helpful.
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