Y = 4x -5 Describe transformations from the parent function

Mathematics

1 answer:

Tanzania [10]2 years ago

5 0

Just times it but I’m not sure. I have no clue don’t Listen to me.

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Factor 9x^2+66xy+121y^2

Korvikt [17]

Answer: (3x + 11y)^2

Demonstration:

The polynomial is a perfect square trinomial, because:

1) √ [9x^2] = 3x

2) √121y^2] = 11y

3) 66xy = 2 *(3x)(11y)

Then it is factored as a square binomial, being the factored expression:

[ 3x + 11y]^2

Now you can verify working backwar, i.e expanding the parenthesis.

Remember that the expansion of a square binomial is:

- square of the first term => (3x)^2 = 9x^2
- double product of first term times second term =>2 (3x)(11y) = 66xy
- square of the second term => (11y)^2 = 121y^2

=> [3x + 11y]^2 = 9x^2 + 66xy + 121y^2, which is the original polynomial.

7 0

3 years ago

What is .00762 as a multiple of a power of 10

lys-0071 [83]

Step-by-step explanation:

$0.00762 = 7.62 \times {10}^{ - 3} \\$