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steposvetlana [31]
3 years ago
6

write the equation of a line in slope intercept form that is perpendicular to the line y = –4x and passes through the point (2,

6).
Mathematics
1 answer:
Neko [114]3 years ago
5 0
For perpendicular lines, m1m2 = -1 or m2 = -1/m1
Line y = -4x has a slope of -4, hence, required slope is -1/-4 = 1/4
Required equation is y - 6 = 1/4(x - 2)
y - 6 = 1/4x - 1/2
y = 1/4x - 1/2 + 6
y = 1/4x + 11/2
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tankabanditka [31]

Answer:

x ≈ 25.5°

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
  • Subtract Property of Equality

<u>Trigonometry</u>

  • [Right Triangles Only] SOHCAHTOA
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Step-by-step explanation:

<u>Step 1: Identify Variables</u>

Angle θ = <em>x</em>°

Opposite Leg = 10

Hypotenuse = 21

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

  1. Substitute [tangent]:                    tanx° = 10/21
  2. Inverse trig:                                  x° = tan⁻¹(10/21)
  3. Evaluate:                                      x = 25.4633°
  4. Round:                                          x ≈ 25.5°
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