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ziro4ka [17]
3 years ago
9

Find the slope of the line​

Mathematics
2 answers:
rodikova [14]3 years ago
8 0

Answer: m=2

(1,-2) = (x1,y1)

(3,2) = (x2,y2)

Slope = \frac{y2-y1}{x2-x1}

          = \frac{2-(-2)}{3-1}

          = \frac{2+2}{2}

          = \frac{4}{2}

          = 2

Marianna [84]3 years ago
7 0

Answer:

slope = 2

Step-by-step explanation:

To calculate the slope m use the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

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

m = \frac{2+2}{3-1} = \frac{4}{2} = 2

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What is the y-intercept of the line 3x – 7y = 42?
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Answer:

(0, -6)

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

<em>m</em> - slope

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

Step 1: Write standard form

3x - 7y = 42

Step 2: Rewrite in slope-intercept form

  1. Subtract 3x on both sides: -7y = 42 - 3x
  2. Divide both sides by -7: y = -6 + 3/7x
  3. Rewrite: y = 3/7x - 6

Step 3: Find y-intercept

<em>b</em> = -6

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3 years ago
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2 years ago
The points ​(​18,21​) and ​(42,​49​) form a proportional relationship. Find the slope of the line through the points. Then use t
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What is f(-2) Help plzzz
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Hi! :)

What is f(-2)?

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Can a triangle be made with the sides 15, 15, 30?
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