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dotdotdog
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Find an equation that has 5 and 8 as solutions. Write your equation in standard form. For example, 4 and 3 are solutions to x^2x12=0.
 3 years ago
 3 years ago
dotdotdog Group Title
Find an equation that has 5 and 8 as solutions. Write your equation in standard form. For example, 4 and 3 are solutions to x^2x12=0.
 3 years ago
 3 years ago

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ashwinram Group TitleBest ResponseYou've already chosen the best response.0
(x+5)(x8) = 0 x = 5 is a solution (makes the first factor zero) x = 8 is a solution (makes the second factor zero)
 3 years ago

ashwinram Group TitleBest ResponseYou've already chosen the best response.0
now expand it to standard form
 3 years ago

captaintim0070196 Group TitleBest ResponseYou've already chosen the best response.0
Another way to do this: Find the sum of the solutions. That is 3. Find the product of the solutions. That is  40. Now, reverse the sign of the sum of the solutions. That is  3. Then, your equation is \[x^{2}  3x 40=0\]
 3 years ago
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