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IrinaK [193]
3 years ago
9

Which method could be used to factor x2 - 25?

Mathematics
2 answers:
butalik [34]3 years ago
8 0

Answer:

C

Step-by-step explanation:

a² - b² = (a + b)(a - b)

x² - 25 = x² - 5² = (x + 5) (x - 5)

Mandarinka [93]3 years ago
6 0

Answer:

A. Perfect square Trinomial

Step-by-step explanation:

Just did its

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Given a graph for the transformation of f(x) in the format g(x) = f(x) + k, determine the k value.
enyata [817]

Answer:

k=6

Step-by-step explanation:

The parabola that opens up and passes through (-3,-3) will have equation,

f(x) =  {x}^{2}  - 12

The parabola the opens up a d passes through (-3,3) will have equation:

g(x) =  {x}^{2}  - 6

We want to determine the value of k, for which,

g(x) = f(x) + k

We rewrite g(x) in terms of f(x) to get:

{x}^{2}  - 6 =  {x}^{2}   - 12 + 6

g(x)  \to({x}^{2}  - 6 )= f(x) \to ({x}^{2}   - 12 )+k  \to6

Therefore;

g(x) = f(x) + 6

Hence k=6

3 0
3 years ago
Solve for X
tigry1 [53]

Answer:

x = \pm e^{-1}

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>Algebra I</u>

  • Solving quadratics
  • Multiple roots

<u>Algebra II</u>

  • Logarithms
  • Euler's number e

Step-by-step explanation:

<u>Step 1: Define</u>

\displaystyle ln(x^2) = -2

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

  1. Raise both sides by e:                    e^{\displaystyle ln(x^2)} = e^{-2}
  2. Simplify equation:                           x^2 = e^{-2}
  3. Square root both sides:                 x = \pm e^{-1}
7 0
3 years ago
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Given cube inscribed in sphere with edges √243 cm. Find the volume of sphere
g100num [7]

Answer:

10,300.77 cm³

Step-by-step explanation:

Radius = ½(diameter)

Diagonal:

sqrt[243 + 243]

sqrt(486)

Diameter

sqrt(486 + 243)

27

Radius: 27/2

Volume of sphere:

4/3 × pi × r³

4/3 × 3.14 × (27/2)³

10300.77 cm³

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3 years ago
Explain how to find the absolute value of an interger
S_A_V [24]
The absolute value of an integer is the distance from zero. So, another way of thinking of is to ignore positive or negative. for example the absolute value of -126 is 126, same would go for positive 126.
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Create an equation to represent the situation below and then solve your equation.
bija089 [108]

I don't know the answer

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