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Cloud [144]
3 years ago
13

Y=x²+2x–5 vertex form

Mathematics
2 answers:
enyata [817]3 years ago
7 0

Answer:

y=(x+1)^2-6

Step-by-step explanation:

Oksi-84 [34.3K]3 years ago
7 0
Y=x+1 for this answer
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Does the line passing through the points (−1,−5) and (2,1) intersect the line passing through the points (−1,−6) and (1,2)?
Serggg [28]

Answer:

Yes

Step-by-step explanation:

As long as the slopes of these two lines are not the same, they will intersect.

Given two points on a line, we can find the slope by taking the difference in the y coordinates and dividing it by the difference in the x coordinates.

Slope of 1st line: \frac{-5-1}{-1-2} =\frac{-6}{-3} =\frac{1}{2}

Slope of 2nd line: \frac{-6-2}{-1-1} =\frac{-8}{-2}=4

The slopes are not equal, therefore the lines intersect.

5 0
3 years ago
In a week, 16 hens laid 64 eggs. what is the unit rate for eggs per hen?
Sveta_85 [38]

Answer:

4 eggs per hen

Step-by-step explanation:

You would need to divide the total number of eggs by the number of hens to see how many each one would produce:

Thus, 64/16 = 4

That gets you 4 eggs per hen!

7 0
2 years ago
Help pleaseeee!!!! Geometry
puteri [66]
Tan x=opposite/adjacent
cot x=adjacent/opposite

so you need to inverse the fraction
tan x=.78 as a fraction is 78/100
-> inversed= 100/78=1.28=cot x

so it is the second option
8 0
3 years ago
There are 5 yellow marbles and 12 blue marbles in a bag. You randomly choose one of the marbles. What is the probability of choo
Anettt [7]
5 yellow marbles out of total of 17 marbles so 5/17
3 0
3 years ago
Read 2 more answers
2(x+3)^(2)+8=0 Solve.
olga2289 [7]

Answer:

2i-3

Step-by-step explanation:

2(x+3)²=-8

(x+3)²=-4

x+3=2i

x=2i-3

7 0
3 years ago
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