2 years ago

Which function best represents this graph?

Mathematics

2 answers:

saveliy_v [14]2 years ago

8 0

Y=2x+1 is the answer

monitta2 years ago

4 0

Y=-2x+1 would be your answer! have a great day!

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Find the slope of the lines joining each of the following pair of points. (1,7) and (4,2)

Damm [24]

Answer:

-5/3

Step-by-step explanation:

We can find the slope using the slope formula

m = ( y2-y1)/(x2-x1)

= ( 2-7)/(4-1)

-5/3

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3 years ago

W^2+4w+4/2w^2-8 Simplify the expression

4vir4ik [10]

The answer would be
$3w {}^{2} + 4w - 8$
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3 years ago

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2 years ago

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Identify the vertex and directrix of each. y = x2 + 2x - 4

sergey [27]

Answer:

See below

Step-by-step explanation:

Convert equation to vertex form $y=(x-h)^2+k$ by completing the square:

$y=x^2+2x-4$

$y+5=x^2+2x-4+5$

$y+5=x^2+2x+1$

$y+5=(x+1)^2$

$y=(x+1)^2-5$

Vertex:

$(h,k)\rightarrow(-1,-5)$

Directrix:

$y=k-\frac{1}{4a}\rightarrow y=-5-\frac{1}{4(1)}\rightarrow y=-\frac{21}{4}$

8 0

2 years ago

Find the difference of 2/3 and 3/5.

mixas84 [53]

Answer:

1/15

Step-by-step explanation:

2/3*5/5 - 3/5*3/3( we are multiplying and dividing by the same number in order to get the same denominator. as 5/5 = 1 and 3/3= 1)

2/3*5/5 - 3/5*3/3

= 10/15-9/15

= 1/15

3 0

2 years ago