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azamat
3 years ago
11

What are the solutions to x2 + 8x + 7 = 0?

Mathematics
1 answer:
Brut [27]3 years ago
7 0
Hoxiziizizitzizitzitxyxixyxoyxixixoy it it
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Yi and Sue play a game. They start with the number 42000. Yi divides by a prime number, then passes the quotient to Sue. Then Su
andrew11 [14]
Whoever goes first will lose, that's the solution
6 0
3 years ago
15 pts
koban [17]
<span> 2x - 2y = 8
2y = 2x - 8
y = x - 4 

answer
</span>slope-intercept form: y = x - 4 
7 0
3 years ago
Read 2 more answers
What equation represents y=2x^2+24x+85 in vertex form
Andrej [43]
Y=a(x-h)^2+k

vertex form is basically completing the square

what you do is
for
y=ax^2+bx+c
1. isolate x terms
y=(ax^2+bx)+c
undistribute a
y=a(x^2+(b/a)x)+c
complete the square by take 1/2 of b/a and squaring it then adding negative and postive inside
y=a(x^2+(b/a)x+(b^2)/(4a^2)-(b^2)/(4a^2))+c
complete square
too messy \
anyway

y=2x^2+24x+85
isolate
y=(2x^2+24x)+85
undistribute
y=2(x^2+12x)+85
1/2 of 12 is 6, 6^2=36
add neagtive and postivie isnde
y=2(x^2+12x+36-36)+85
complete perfect square
y=2((x+6)^2-36)+85
distribute
y=2(x+6)^2-72+85
y=2(x+6)^2+13

vertex form is
y=2(x+6)^2+13
8 0
3 years ago
Does anyone understand this?
VikaD [51]
No sadly
If I can read it I would help you
6 0
2 years ago
Does anybody know the measure of JLM?
WARRIOR [948]

Measure of ∠JLM = m∠60°

6 0
1 year ago
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