Pythagorean Theron can someone help me with this

Mathematics

2 answers:

NISA [10]3 years ago

5 0

Answer:

Step-by-step explanation: This means the hypothenuse and the Adjacent are equal b= x thus the double lines indicates and they are opposite to 6

IgorLugansk [536]3 years ago

4 0

2a^2=6^2
a^2=18
a= +/- 3 root 2

It would be plus 3 root 2, since you can’t have a negative length. Also, the two dash lines means the lengths are equal, which is why I wrote it as 2a^2 instead of a^2+b^2=c^2(where a and b are equal).

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Find the solutions to the quadratic. * y = (x + 13)(x - 21)

Vedmedyk [2.9K]

Answer:

$\huge\boxed{-13, 21}$

Step-by-step explanation:

The most common way to solve for the roots of a polynomial is to use the Quadratic formula, which will return us with two values of x that make the equation equal 0.

...however, this form of the equation is already in root form. If we multiplied these two terms, we'd get $x^2 - 8x -273$ , and when we factor that, we'd get -13 and 21.

Roots are usually written in the form $(x-a)(x-b)$ , where the zeroes will be the value of x that makes each binomial equal 0 - aka, the opposite of a and b.