2 years ago

Plz help I need help now

Mathematics

1 answer:

Butoxors [25]2 years ago

6 0

Answer:

my answer to this question is B

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Find the slope of the line passing through the pairs of points and describe the line as rising, falling, horizontal or vertical.

Anna [14]

Answer:

$a.\ m=2,\ \text{the line is rising}\\\\b.\ m=-\dfrac{5}{4},\ \text{the line is falling}\\\\c.\ m=0,\ \text{the line is horizontal}\\\\d.\ m\ is\ unde fined,\ \text{the line is vertical}$

Step-by-step explanation:

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

m > 0, then a line is rising

m < 0, then a line is falling

m = 0, then a line is horizontal

m is undefined, then a line is vertical

(2, 1) and (4, 5)

$m=\dfrac{5-1}{4-2}=\dfrac{4}{2}=2>0\to\text{rising}$

(-1, 0) and (3, -5)

$m=\dfrac{-5-0}{3-(-1)}=\dfrac{-5}{4}=-\dfrac{5}{4}$

(2, 1) and (-3, 1)

$m=\dfrac{1-1}{-3-2}=\dfrac{0}{-5}=0\to\text{horizontal}$

(-1, 2) and (-1, -5)

$m=\dfrac{-5-2}{-1-(-1))}=\dfrac{-7}{0}\ \text{UNDEFINED}\to\text{vertical}$

7 0

3 years ago

Put the following equation of a line into slope-intercept form, reducing all fractions. 6x+2y=8

djyliett [7]

6x+2y=8
2y=-6x +8
y=-3x+4

4 0

3 years ago

PLZ HELP ME. I am learning slope.

Rom4ik [11]

Answer:

-0.125x + 12.5

Step-by-step explanation:

4 0

2 years ago

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The pentagons JKLMN and PQRST are similar.<br> Find the length x of PQ????? Help plssss

wariber [46]

Answer:

4.5

Step-by-step explanation:

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2 years ago

5/6 + (-1/2)value of sum

bulgar [2K]

Answer:

it's 1/3

Step-by-step explanation:

5/6+(-1/2)

5/6-1/2

LCM= 6

(5-3)/6

2/6

1/3

8 0

3 years ago