The figure below shows two congruent triangular parks. What equation would help you to solve for the side length of BC and EF? E
xplain your reasoning using complete sentences.
2 answers:
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Given a quadratic equation in standard form
The discriminant D
tells the types of roots the equation has.
In this case, we have
Then, the discriminant of this quadratic equation will be
Finally, the value of discriminat is 49 and as he discriminant is greater than zero then this quadratic equation has 2 different real solutions.