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navik [9.2K]
2 years ago
12

Im unsure how to do this

Mathematics
2 answers:
SOVA2 [1]2 years ago
8 0
The answer will be:

7-8x-6x^2
kkurt [141]2 years ago
4 0
Try combining the numbers with like terms, like 5x^2 and -11x^2. Then I will help you out.
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What is the Slope from this equation? y = 0.75x - 5
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Answer:

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The train to Sun City travels 150 miles per hour. How long will a trip take if Sun City is 525 miles away?
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The graph shows a journey in a car Help Fast!!!
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A theater sells adult tickets for $8.00 and Children's tickets for 5.50. Sally bought some of each kind (not the same number) an
sdas [7]
8x +(5.5)y=78.50 is the equation.
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3 years ago
Perpendicular to the line y=1/2x-8; passes through (7,-6). Write the slope-intercept form of the equation.
Airida [17]

<u>ANSWER: </u>

The slope intercept form of the required line is y = -2x + 20.

<u>SOLUTION: </u>

Given, line equation is $y=\frac{1}{2} x-8$

And, Perpendicular line to the given line  passes through (7,-6).  

We need to find the slope intercept form of perpendicular line of given line.  

We already have the point (7, -6) but we need to find the slope.

Now, we know that, product of slopes of two perpendicular lines equals to -1.

Slope of given line is \frac{1}{2}, by comparing with the general form of slope intercept form.

\frac{1}{2} \times slope of required line = -1

Slope of perpendicular line = -2

Now, line equation of perpendicular line in point slope form is

$y-y_{1}=m\left(x-x_{1}\right)$

y – (-6) = -2(x – 7)

y + 6 = -2x + 14

y = -2x + 20

the above equation is in the form of slope intercept form of a line equation  

where slope m = -2 and intercept c = 20

hence, the slope intercept form of the required line is y = -2x + 20.

6 0
3 years ago
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