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AleksandrR [38]
3 years ago
6

How do you multiple the following (x-8)(x-7)

Mathematics
1 answer:
OLEGan [10]3 years ago
3 0
You would need to cross multiply.  When you do that you get x^2-7x-8x+56.  Once simplifying you get x^2-15x+56.
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mihalych1998 [28]
16x-32=48 /+32
16x=80/:16
X=5
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2 years ago
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L(1,-2),N(-6,3) slope of the line
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Answer:

-\frac{5}{7}

Step-by-step explanation:

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(2x - 4)+ ( x + 9)<br> A. 3x+5<br> B.x+5<br> C.3x-13<br> D.x+9
tangare [24]

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4 0
2 years ago
Which point is collinear with points a and d
Art [367]
B. (6, -8)

First, you need to figure out the slope of the line

(y1 - y2) / (x1 - x2)

After substituting points D(-3, 4) A(3, -4)

[4 - (-4)] / (-3 - 3)
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The slope of the line is -8/6 or -4/3 simplified

Then you can put it in point slope form:

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The point that I am using for point slope form is A(3, -4)

[y - (-4)] = -4/3(x - 3)
y + 4 = -4/3(x - 3)

Next you have to simplify the equation so that y is isolated

y + 4 = -4/3(x - 3)

First distribute the -4/3

y + 4 = -4/3(x) + (-4/3)(-3)
y + 4 = -4/3x + 4

Subtract 4 on both sides
y + 4 - 4 = -4/3x + 4 - 4
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Now that you have y = -4/3x, you can substitute the values until one of them makes the equation equal

For example) (6, -8)
-8 = -4/3(6)
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So since (6, -8) fits in the slope intercept equation, it must me collinear with points A and D

~~hope this helps~~

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Masja [62]

Answer:

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Step-by-step explanation:

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3 years ago
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