ilias69 ilias69
  • 23-12-2020
  • Mathematics
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Determine if the ordered pair (-1, -5) is a solution to the inequality y<-3/4x - 1

Respuesta :

Space
Space Space
  • 23-12-2020

Answer:

Yes

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

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

Algebra I

  • Substitution

Step-by-step explanation:

Step 1: Define

y < -3/4x - 1

Solution set (-1, -5)

Step 2: Check

  1. Substitute:                    -5 < -3/4(-1) - 1
  2. Multiply:                        -5 < 3/4 - 1
  3. Subtract:                       -5 < -1/4

Here we see that -1/4 is indeed bigger than -5.

∴ The ordered pair is a solution.

Answer Link

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