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Reika [66]
3 years ago
11

What is the meaning os slpoe in math and please give an example for y=2x-1;(-2,2)

Mathematics
1 answer:
alexira [117]3 years ago
6 0
Slope is your 2x, so 2x over 1 meaning after you plot (-2,2) on the graph you rise 2 and go 1 to the right, or do the opposite to make the line so go down 2 and one to the left. Hope that helped.
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cos (u,v) = ( u * v ) / (| u | * | v |) =
 (2 * 1 + ( -1 ) * ( - 8 )) / √5 √ 65 = (2 + 8) / √5 √65 = 10 / (√5 √ 65 )
The length of a larger diagonal:
d 1² = | u |² + 2 |u| |v| + | v |² = 5 + (2 √5 √65 * 10 / √5 √65 )+65
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d 2 = √50 = 5√2
Answer:
The lengths of the diagonals are: 3√10 and 5√2 .
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