3 years ago

Which of the following represents the zeros of f(x) = 2x3 − 5x2 − 28x + 15?

Mathematics

1 answer:

Mariulka [41]3 years ago

4 0

678-9882

87299

Y s ukelele

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A line intersects the points (-23, -17) and (-13, -7). Find the slope of the line.

dolphi86 [110]

The slope of a line through points $A(x_1, y_1)$ and $B(x_2, y_2)$ is :

$\displaystyle{ \frac{y_2-y_1}{x_2-x_1}$

or

$\displaystyle{ \frac{y_1-y_2}{x_1-x_2}$ ,

it is the same thing, BUT it it always y's over x's and always in the same order of 1 and 2:

don't write: $\displaystyle{ \frac{y_1-y_2}{x_2-x_1}$

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The slope of the line through the points <span>(-23, -17) and (-13, -7) is :

</span> $\displaystyle{ \frac{-17-(-7)}{-23-(-13)}= \frac{-17+7}{-23+13}= \frac{-10}{-10}=1$
<span>

Answer: 1</span>

3 0

3 years ago

Which method correctly solves the equation using the multiplication property of equality and the reciprocal of One-third? One-th

Airida [17]

Answer:

Step-by-step explanation:

Given the equation $\frac{1}{3}(x+9) = -12$