Westonci.ca connects you with experts who provide insightful answers to your questions. Join us today and start learning! Get detailed and precise answers to your questions from a dedicated community of experts on our Q&A platform. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.
Sagot :
quadratic equaiton is
x=[tex] \frac{-b- \sqrt{b^2-4ac} }{2a} [/tex] or [tex] \frac{-b+ \sqrt{b^2-4ac} }{2a} [/tex]
just subsitute and simplify
I will only do one in detail since it takes some time
so first one2b^2+10b+12
a=2
b=10
c=12
subsitute
x=[tex] \frac{-10- \sqrt{10^2-4(2)(12)} }{2(2)} [/tex] or
[tex] \frac{-10+ \sqrt{10^2-4(2)(12)} }{2(2)} [/tex]
pemdas
[tex] \frac{-10- \sqrt{10^2-4(2)(12)} }{2(2)} [/tex]
do parenthasees or inside exponents
(10^2-4(2)(12) =(100-96)=4
square root of 4=2
(-10-2)/(2 times 2)=-12/4=-3
if -10+square root then
(-10+2)/(2 times 2)=-8/4=-2
answer is
b=-3 or -2
second one
answer is g=-2 or -2/3
3rd
x=-3/2 or 1/2
4th
b=[tex] \frac{5- \sqrt{345} }{16} [/tex] or
[tex] \frac{5+ \sqrt{345} }{16} [/tex]
5th
m=-3/2 or 1/3
6th
d=-5/2 or 4/5
x=[tex] \frac{-b- \sqrt{b^2-4ac} }{2a} [/tex] or [tex] \frac{-b+ \sqrt{b^2-4ac} }{2a} [/tex]
just subsitute and simplify
I will only do one in detail since it takes some time
so first one2b^2+10b+12
a=2
b=10
c=12
subsitute
x=[tex] \frac{-10- \sqrt{10^2-4(2)(12)} }{2(2)} [/tex] or
[tex] \frac{-10+ \sqrt{10^2-4(2)(12)} }{2(2)} [/tex]
pemdas
[tex] \frac{-10- \sqrt{10^2-4(2)(12)} }{2(2)} [/tex]
do parenthasees or inside exponents
(10^2-4(2)(12) =(100-96)=4
square root of 4=2
(-10-2)/(2 times 2)=-12/4=-3
if -10+square root then
(-10+2)/(2 times 2)=-8/4=-2
answer is
b=-3 or -2
second one
answer is g=-2 or -2/3
3rd
x=-3/2 or 1/2
4th
b=[tex] \frac{5- \sqrt{345} }{16} [/tex] or
[tex] \frac{5+ \sqrt{345} }{16} [/tex]
5th
m=-3/2 or 1/3
6th
d=-5/2 or 4/5
Thanks for using our platform. We're always here to provide accurate and up-to-date answers to all your queries. We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.