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anonymous
 one year ago
Let u = <5, 3>, v = <6, 1>. Find 3u + 5v.
@hero @dan815 @nincompoop @mathstudent55 @wio @radar @undeadknight26
anonymous
 one year ago
Let u = <5, 3>, v = <6, 1>. Find 3u + 5v. @hero @dan815 @nincompoop @mathstudent55 @wio @radar @undeadknight26

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misty1212
 one year ago
Best ResponseYou've already chosen the best response.2multiply both entries in \(u\) by \(3\) multiply both entries in \(v\) by \(5\) then add

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2i don't really know another way to say it

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2u has two numbers right?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can u show me? @misty1212

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2multiply each of them by \(3\)

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2\[u=<5,3>\\ 3u=3<5,3>=<15,9>\]

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2in other words, multiply each entry by \(3\)

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2repeat to find \[5v=5<6,1>\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so its <30,5> @misty1212

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can u help me with another? @misty1212

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2did you add them yet?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes i got <15,4> @misty1212

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2oops yes you are right sorry

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can u help me with another? @misty1212

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Find a • b. a = 4i + 3j, b = 4i + 4j 4 28 <16, 12> <0, 7>

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2is that a dot between them?

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2i think it means the "dot product"

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2\[<4,3>\cdot<4,4>=4\times (4)+3\times 4\]

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2it is a number, not a vector

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2\[16+12=4\] in other words

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Find the first six terms of the sequence. a1 = 7, an = 2 • an1 7, 14, 12, 10, 8, 6 0, 2, 14, 12, 10, 8 7, 14, 28, 56, 112, 224 14, 28, 56, 112, 224, 448

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2then multiply it by 2 to get the next number

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2\[7,7\times 2,7\times 2\times 2...\]

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2so this one \[ 7, 14, 28, 56, 112, 224\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Find the standard form of the equation of the parabola with a focus at (0, 4) and a directrix at y = 4. y = 1 divided by 16x2 y2 = 16x y2 = 4x y = 1 divided by 4x2 @misty1212

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2i would go with the first one want to check?

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2http://www.wolframalpha.com/input/?i=parabola+y+%3D+1%2F16x%5E2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Find an explicit rule for the nth term of the sequence. 3, 12, 48, 192, ... an = 3 • 4n  1 an = 3 • 4n + 1 an = 3 • (4)n  1 an = 3 • (4)n @misty1212

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2see how the signs change?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes by 4 @misty1212

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2so only \[a_n=3(4)^{n1}\] makes any sense

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0one last one? @misty1212

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Use graphs and tables to find the limit and identify any vertical asymptotes of the function.

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2? vertical asymptote is where the denominator is zero, so \(x=5\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0what is the limit @misty1212

misty1212
 one year ago
Best ResponseYou've already chosen the best response.2limit is infinity \(\infty\)
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