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Alex777 [14]
3 years ago
10

Find the slope of the line a) 4 b) 1 c) -1 d) -4

Mathematics
2 answers:
valina [46]3 years ago
5 0

Answer:

d) - 4

Step-by-step explanation:

(-1,3) (0,-1)

slope = y₂ - y₁/x₂x- x₁

= -1 - 3 / 0 - [-1]

= -1-3 / 0+ 1

= -4/1

= - 4

Mrrafil [7]3 years ago
3 0

Answer:

D

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 1, 3) and (x₂, y₂ ) = (0, - 1) ← 2 points on the line

m = \frac{-1-3}{0+1} = - 4 → D

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"16 more than five times a number results in -29"
Thepotemich [5.8K]

Answer:

The number is -9

Step-by-step explanation:

Let the number be x

Therefore, 16 + 5x = -29

5x = -45

x = -9

The number is <u>-</u><u>9</u>

4 0
3 years ago
Need help please???
dedylja [7]

Answer:

y= \frac{3}{5}x -\frac{26}{5}

Step-by-step explanation:

x₁    y₁                     m= slope

(2, -4)                     point-slope equation: y - y₁ = m( x - x₁)

y-(-4) = \frac{3}{5}( x - 2)

y + 4 = \frac{3}{5} x - \frac{6}{5}

y = \frac{3}{5}x - \frac{6}{5} - \frac{20}{5}

y = \frac{3}{5} x - \frac{26}{5}

7 0
3 years ago
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Alenkinab [10]

Answer:

ano yan hindi ko alam yan ha kaya mo yan

7 0
3 years ago
Find the equation of the line that is perpendicular to the given line and passes through the given point. Enter your answer in s
Usimov [2.4K]

Answer:

y = -1/2x + 1/2

Step-by-step explanation:

perpendicular lines have slopes that are opposite signs and reciprocal

therefore, use m=-1/2 and point (9, -4) to complete the equation by finding 'b' (the y-intercept)

-4 = -1/2(9) + b

-4 = -9/2 + b

-4 + 9/2 = b

-4 + 4 \frac{1}{2} = b

b =  \frac{1}{2}

8 0
3 years ago
Solve for y: 15 = y – 7
mixer [17]

Some number y has 7 subtracted off to get 15. We have y-7 = 15. To isolate y, we have to undo the "subtract 7" operation that happens to y. We have to add 7 to both sides.

y-7 = 15

y-7+7 = 15+7

y = 22 is the answer

8 0
4 years ago
Read 2 more answers
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