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2 years ago

What is the slope of the line that passes through the points (9, 4) and (9,- 5)?

Mathematics

2 answers:

ahrayia [7]2 years ago

6 0

(9,4)
(9,-5)

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

$\\ \sf\longmapsto m=\dfrac{-5-4}{9-9}$

$\\ \sf\longmapsto m=\dfrac{-9}{0}$

$\\ \sf\longmapsto m=\infty$

fgiga [73]2 years ago

3 0

Answer:

Undefined

Step-by-step explanation:

The given two points have same x- coordinates, hence the line vertical and is parallel to the y-axis:

x = 9

Its slope is undefined.

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Ivan has 6 times as many blue beads as red beads. he has 49 red and blue beads in all. how many blue beads does Ivan have

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Let

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Nady [450]

Answer:

$\displaystyle m=\frac{-2}{5}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS 

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (2, 5)

Point (-3, 7)

Step 2: Identify

x₁ = 2, y₁ = 5

x₂ = -3, y₂ = 7

Step 3: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m=\frac{7-5}{-3-2}$
[Slope] [Fraction] Subtract: $\displaystyle m=\frac{2}{-5}$
[Slope] [Fraction] Rewrite: $\displaystyle m=\frac{-2}{5}$

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