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2 years ago

What is the GCF of 8,18

1 answer:

4 0

The GCF of 8 and 18 is: 2

To find the greatest common factor of any numbers, you list the factors (numbers that you can multiply by to receive the given number) and see which number is common.

Factors of 8: 1, 2, 4, 8
Factors of 18: 1, 2, 3, 6, 9, 18

So, our common factors are 1 and 2, but since we are looking for the greatest common factor, the greatest would be 2.

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2 years ago

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2 years ago

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3 years ago

Which equation represents h(x)?

Lelechka [254]

Answer: The second choice: h(x) = (f(x))(g(x))

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3 years ago

What are the possible values of x in 8x2 + 4x = -1?

Westkost [7]

Answer:

The possible values of x are:

x= $\frac{-1+\sqrt{3}}{4} \,\,or\,\, x= 0.18$

and

x= $\frac{-1-\sqrt{3}}{4} \,\, or \,\, x= -0.68$

Step-by-step explanation:

$8x^2+4x+1=0$

Using Quadratic formula to solve this equation:

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\a = 8 \,\, b = 4\,\, c = -1\\Putting \,\, values \,\, in \,\, the\,\, equation\\x= \frac{-4\pm\sqrt{(4)^2-4(8)(-1)}}{2(8)}\\x= \frac{-4\pm\sqrt{16+32}}{16}\\x= \frac{-4\pm\sqrt{48}}{16}\\x= \frac{-4+ \sqrt{48}}{16} \,\, and \,\, x= \frac{-4- \sqrt{48}}{16}\\x= \frac{-1+ \sqrt{3}}{4} \,\, and \,\, x= \frac{-1- \sqrt{3}}{4}$

The possible values of x are:

x= $\frac{-1+\sqrt{3}}{4} \,\,or\,\, x= 0.18$

and

x= $\frac{-1-\sqrt{3}}{4} \,\, or \,\, x= -0.68$

4 0

2 years ago