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3 years ago

If (X + 8) is a factor of f(x), which of the following must be true?

Mathematics

1 answer:

julsineya [31]3 years ago

4 0

Answer: C

Step-by-step explanation:

If (X + 8) is a factor of f(x), then to find the root, equate the factor to zero. That is,

X + 8 = 0

X = 0 - 8

X = -8

If -8 is substituted into f(x), the equation will tend to zero. That is,

F( -8 ) = 0

C is therefore the correct answer.

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jenyasd209 [6]

Answer:

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Step-by-step explanation:

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3 years ago

need help.. The midpoint of GH is M(-6,-3). One endpoint is H (-4,4) Find the coordinates of endpoint G.

iren2701 [21]

Answer:

The coordinates of G are: (-8, -10)

Step-by-step explanation:

Mid point formula:

$x = \dfrac{x_1+x_2}{2}\\y = \dfrac{y_1+y_2}{2}$

Where,

$(x,y)$ are the coordinates of the mid point of the points $(x_1,y_1)$ and $(x_2,y_2)$ .

As per question statement, we are given that:

$x_2=-4\\y_2=4$

and

$x=-6\\y=-3$

To find:

$x_1 = ?\\y_1 = ?$

Solution:

Let us use the mid point formula:

$-6 = \dfrac{x_1-4}{2}\\\Rightarrow -12=x_1-4\\\Rightarrow x_1=-12+4\\\Rightarrow \bold{x_1=-8}$

$-3 = \dfrac{y_1+4}{2}\\\Rightarrow -6=y_1+4\\\Rightarrow y_1=-6-4\\\Rightarrow \bold{y_1=-10}$

The coordinates of G are: (-8, -10)

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3 years ago

A triangle has an area of 36 square centimeters and a base of 6 centimeters. Find the height. a. 6 cm c. 18 cm b. 12 cm d. 10 cm

melamori03 [73]

Answer:

Step-by-step explanation:

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3 years ago