PLEASE HELP!

Mathematics

1 answer:

blsea [12.9K]3 years ago

8 0

Answer:

He was correct

Step-by-step explanation:

100÷ 19.678= 5

5 meters for seconds

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Hi there!

When we have an equation standard form...
$a {x}^{2} + bx + c = 0$
...the formula of the discriminant is
D = b^2 - 4ac

When
D > 0 we have two real solutions
D = 0 we have one real solutions
D < 0 we don't have real solutions

1.) Find the value of the discriminant and the the number of real solutions of
x^2-8x+7=0

Plug in the values from the equation into the formula of the discriminant

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D > 0 and therefore we have two real solutions.

2.) Find the value of the discriminant and the number of real solutions of
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~ Hope this helps you.

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