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3 years ago

9

Which algebraic expressions are polynomials? Check all that apply

2 answers:

aev [14]3 years ago

6 0

Answer:

2,3,5,6

Step-by-step explanation:

djverab [1.8K]3 years ago

3 0

Check whatttttt i need to see the answers

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A line includes the points (9, -7) and (-6, -2). What is its equation in slope-intercept form?

Rus_ich [418]

Answer:

$y=\frac{-1}{3}x-4$

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

<em>m</em> - slope

<em>b </em>- y-intercept

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step 1: Define

Point (9, -7)

Point (-6, -2)

Step 2: Find slope <em>m</em>

<em /> $m=\frac{-2-(-7)}{-6-9}$ <em />

<em /> $m=\frac{-2+7}{-15}$ <em />

<em /> $m=\frac{5}{-15}$ <em />

<em /> $m=\frac{-1}{3}$ <em />

$y=\frac{-1}{3}x+b$

Step 3: Find y-intercept <em>b</em>

<em /> $-7=\frac{-1}{3}(9)+b$ <em />

<em /> $-7=-3+b$ <em />

<em /> $-4=b$ <em />

<em />

Step 4: Write linear equation in slope-intercept form

$y=\frac{-1}{3}x-4$

8 0

2 years ago

I put B but it said it was wrong???

zavuch27 [327]

It should be A. Not B

8 0

2 years ago

True or false? In 0 radius OP intersects chord AC in point B so that AB=5 units and BC = 5 units. This means OP is perpendicular

LuckyWell [14K]

Answer:

True

Step-by-step explanation:

5 0

3 years ago

On a coordinate plane, a line goes through points (negative 4, 0) and (0, 2).

lora16 [44]

Answer:

the slope is 1/2

Step-by-step explanation:

find the change in y over the change in x

2-0/0+4

you get 2/4 then simply that to 1/2

3 0

2 years ago

Read 2 more answers

What is the surface area of this rectangular prism?

zalisa [80]

Answer:

the exact answer is 250m2

Step-by-step explplanation:

3*7=21

21*2=42

13*2=26

13*7= 91

91*2=182

182+26+42 = 250m3

5 0

2 years ago