3 years ago

Solve for K please help

Mathematics

2 answers:

Vedmedyk [2.9K]3 years ago

6 0

Answer:

Step-by-step explanation:

algol [13]3 years ago

3 0

Answer:

vfssfdgddedt

Step-by-step explanation:

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Any one know how to find the roots of an equation?

soldier1979 [14.2K]

So what you do is
make into ax^2+bx+c=0 form

add-9/2 to both sides
y^2-2y+9/2=0
now we use the quadratice formula which is
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$

ax^2+bx+c=0
1y^2-2y+9/2
a=1
b=-2
c=9/2
subsitute
x= $\frac{-(-2)+/- \sqrt{(-2)^{2}-4(1)(9/2)} }{2(1)}$
x= $\frac{2+/- \sqrt{4-(36/2)} }{2}$
x= $\frac{2+/- \sqrt{4-(18)} }{2}$
x= $\frac{2+/- \sqrt{-14} }{2}$
x= $\frac{2+/- \sqrt{-14} }{2}$
x= $1+/- \frac{\sqrt{-14} }{2}$
x= $1+/- \frac{\sqrt{14} \sqrt{-1}}{2}$
x= $1+/- \frac{\sqrt{14} i }{2}$
x= $1+/- \frac{ i \sqrt{14} }{2}$

answer is C

6 0

3 years ago

Plz frist to answer will be brainliest

Gelneren [198K]

Answer:

Step-by-step explanation:

p^2

3 0

3 years ago

HELP ME ASAP! I NEED TO ADD SOME ONE BRAINLIST!!! WORTH 20 POINTS AND BRAINLIST WHEN U TELL ME!!

TiliK225 [7]

Answer: