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3 years ago

15

What is the slope of the line through (3, 2) and (-3,4)?

2 answers:

timama [110]3 years ago

5 0

Answer:

slope is -1/3

Step-by-step explanation:

slope is read rise over run so the line, in this case, fell down 1 and ran 3. Falling means negative so the slope is <u>negative 1 over 3</u>. To easily determine a negative slope, see if the line is moving from top left to bottom right. If so, then it's negative. The other way around is a positive slope.

(i don't do formulas well so I use the graph)

Andre45 [30]3 years ago

4 0

Answer:

Choice A. -3

Step-by-step explanation:

Using the x1-x2/ y1-y2 u fill in. So it would be 3-(-3) (x-axis) and 2-4 (y-axis).

So when u do both of those you are left with 6/-2.

When u simplify 6/-2 you get -3.

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eduard

Answer:

k = 10

Explanation:

The initial polynomial is:

$f(x)=3x^3+13x^2+19x+k$

If f(-2) = 0, then when we replace x by -2, the result will be 0. It means that we can write the following equation:

$\begin{gathered} f(-2)=3(-2)^3+13(-2)^2+19(-2)+k=0 \\ 3(-2)^3+13(-2)^2+19(-2)+k=0 \end{gathered}$

Therefore, we can solve for k as follows:

$\begin{gathered} 3(-8)+13(4)+19(-2)+k=0 \\ -24+52-38+k=0 \\ -10+k=0 \\ -10+k+10=0+10 \\ k=10 \end{gathered}$

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1 year ago

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leva [86]

Answer:

Here,

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