2 years ago

-x^2+2x-8=0 factoring

Mathematics

1 answer:

kramer2 years ago

6 0

(-x-2) (x-4) are the factor of this equation

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Verizon [17]

61.8 x 1.7 = 105.06

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2 years ago

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Write an exponential function to describe the given sequence of numbers, assuming that the first number in the sequence correspo

Fantom [35]

Answer:

$y = 5(6) {}^{x}$

Step-by-step explanation:

A exponential function is represented by

$y = ab {}^{x}$

where a is the vertical stretch and b is the base and x is the nth

power of x

Since the first number corresponds with zero, that means our y intercept is the first number.

This means when x=0 , y=5 so let find the value of 5.

$5 = ab {}^{0}$

b to the 0th power equal 1 so

$5 = a \times 1$

$a = 5$

Our equation is for now

$y = 5b {}^{x}$

Now let plug in 1,30

$30 = 5b {}^{1}$

Divide 5 by both sides

$6 = b {}^{1}$

Anything to the 1st power is itself so b equal 6.

So our equation is

$y = 5(6) {}^{x}$

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2 years ago

Please answer this correctly

jolli1 [7]

Answer:

No, because there is just as high of a possibility that the other is biased too.

8 0

2 years ago

The equation of a parabola is 18(y−5)2=x+3 . What are the coordinates of the focus? (−3, 7) (−5, 5) (−1, 5) (−3, 3)

aleksandrvk [35]

18(y-5)^2=x+3

do the algebra to make it into =x form

x=18y^2-180y+447

then you take the form of the focus, you can do the math

(-215/72, 5)

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2 years ago

Jeffery thinks that the largest place value 8.21 and 19.5 have in common is the tens place. Austin thinks that the largest place

katovenus [111]

The answer is A. jeffery

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2 years ago