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3 years ago

What is the slope of the line passing through (-3, 5) and (5, -3)?

Mathematics

2 answers:

saveliy_v [14]3 years ago

5 0

we know that

the formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

in this problem we have

$A(-3,5)\ B(5,-3)$

substitute the values in the formula

$m=\frac{-3-5}{5+3}$

$m=\frac{-8}{8}$

$m=-1$

therefore

the answer is the option

$slope=-1$

ICE Princess25 [194]3 years ago

5 0

Answer:The slope is 1

Step-by-step explanation:

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If f(x)=(1/8)(8^x) what is f(3)? A. 1/512 B. 1/64 C. 512 D. 64

cestrela7 [59]

Hi there!

Let's solve this problem step by step!
$f(x) = \frac{1}{8} (8 {}^{x})$

To find f(3) we must substitute x = 3 into the formula.
$f(3) = \frac{1}{8} (8 {}^{3} )$

Now we use PEMDAS (Parenthesis, exponents, multiply, divide, add, subtract) to find our answer.

Work out the exponents inside the parenthesis first.
$f(3) = \frac{1}{8} \times 512$

And finally multiply.
$f(3) = \frac{1}{8} \times \frac{512}{1} = \frac{512}{8} = 64$

Hence, the answer is D. 64.
~ Hope this helps you!

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Step-by-step explanation:

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Step 3: Subtract 18 from both sides.

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