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andre [41]
3 years ago
7

What is the slope of this graph?​

Mathematics
1 answer:
pishuonlain [190]3 years ago
5 0

Answer:

Slope = -1

Step-by-step explanation:

Since, slope of a line passing through two points (x_1,y_1) and (x_2,y_2) is given by,

Slope = \frac{y_2-y_1}{x_2-x_1}

Therefore, slope of a line passing through two points A(1, 4) and B(3, 2) will be,

Slope = \frac{4-2}{1-3}

          = (-1)

Therefore, slope of the line is (-1).

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Find the y-intercept of the line that passes through the given point and has the given slope : (-2,-1); m=-3
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0, -7

Step-by-step explanation:

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Solve y = −23(x + 9) + 4 for x when y = 0.
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Answer:

x = -203/23

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

y = -23(x + 9) + 4

y = 0

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Substitute in <em>y</em>:                                                                                                  0 = -23(x + 9) + 4
  2. [Subtraction Property of Equality] Subtract 4 on both sides:                        -4 = -23(x + 9)
  3. [Division Property of Equality] Divide -23 on both sides:                                4/23 = x + 9
  4. [Subtraction Property of Equality] Subtract 9 on both sides:                        -203/23 = x
  5. Rewrite:                                                                                                             x = -203/23
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Two bowls of pasta at a resaurant serve 3 people how many bowls of pasta should be ordered for 12 people
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4×3=12
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One pendant costed $3.40

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