3 years ago

Which of the following is a solution to the quadratic equation x2-3x-54=0

Mathematics

2 answers:

BaLLatris [955]3 years ago

7 0

Answer:

Step-by-step explanation:

x² - 3x - 54 = 0

x² - 9x + 6x - 54 = 0

x(x - 9) + 6(x - 9) = 0

(x - 9)(x + 6) = 0

x = -6,9

Agata [3.3K]3 years ago

7 0

X2-3x-54=0
Answer: A.9

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Step-by-step explanation:

Given

distance = 2 miles

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We can use the proportions to find the number of miles debra will travel in 25 minutes

So,

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Hence,

Debra will travel 50 miles in 25 minutes

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