Mathematics
10 Online
OpenStudy (anonymous):
Which of the following represents this function written in standard form?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
y=2(x-1)(x-6)
a. y=2x^2-12+6
b.y=2x^2-12x+12
c. y=2x^2-7x+12
d. y=2x^2-14x+12
OpenStudy (anonymous):
d
OpenStudy (anonymous):
Would you mind explaining why its d?
OpenStudy (anonymous):
1.2(x-1)=2x-2
2. (2x-2)(x-6)--do foil
=2x2-12x-2x+12
=2x^2-14x+12
OpenStudy (anonymous):
Oh I see! Thank you so much!
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
welcome :)
OpenStudy (anonymous):
Could you help me with another problem? It''ll take me a second to type it
OpenStudy (anonymous):
Suppose the function shown below was expressed in standard form, y=ax^2+bx+c. What is the value of A?
OpenStudy (anonymous):
do you have options?
OpenStudy (anonymous):
Yes.. Here they are.
a. 2
b. -1
c. 4
d. 1
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
I would say 1 becaus I graphed your graph but hld on a litle longer
OpenStudy (anonymous):
Oh okay!
OpenStudy (anonymous):
yep the best I can say is 1
OpenStudy (anonymous):
oh wait 1 minuet
OpenStudy (anonymous):
a smarter person just gave me the answer so the equation for you graph is 2x(x-2)
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
Ah gotcha. Well thanks again!
OpenStudy (anonymous):
so its 2
OpenStudy (anonymous):
welcome