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Sonja [21]
3 years ago
8

H(x) = 4x - 1; Find h( - 1)

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
4 0
H(-1)= -5
basically just plugging in -1
4(-1)-1
=-5
iren [92.7K]3 years ago
3 0

Answer:

h(-1) = -5

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

h(x) = 4x - 1

h(-1) is x = -1

<u>Step 2: Evaluate</u>

  1. Substitute:                    h(-1) = 4(-1) - 1
  2. Multiply:                        h(-1) = -4 - 1
  3. Subtract:                       h(-1) = -5

And we have our final answer!

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Step-by-step explanation:

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What is the solution of this system of linear equations? 3y = 3/2x + 6 1/2y –1/4 x = 3
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_________________________________________________________

Given:  3y = 3/2 x + 6 ; Multiply each side by "2" ; to get rid of the fraction

              2 * { 3y = 3/2 x + 6 } ;  to get:  6y = 3x + 12 

           
Given:  1/2 y –1/4 x = 3 ;  Multiply EACH SIDE by "4" ; to get rid of the fraction ;


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______________________________________________
So we have:

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__________________________________________
Multiply BOTH side of the "second equation" by "-1" ;

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to get :   x – 2y = -12  ;  

Now, add "2y" to each side of the equation;  
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The answer is:  [C]:  "no solution" .
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