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3 years ago

Find the y intercept

Mathematics

2 answers:

erica [24]3 years ago

7 0

Step-by-step explanation:

Slope of line ST = Slope of line PQ = -3.

y = -3x + c

When x = 3, y = -1

=> (-1) = -3(3) + c, c = 8

Therefore the equation of line ST is y = -3x + 8 and the y-intercept is 8.

avanturin [10]3 years ago

7 0

Step-by-step explanation:

Hey there!

The given equation of line PQ is :

y = -3x -12.

Comparing the equation with y = mx + c. We get;Slope (m1)= -3

We know the condition of parallel lines is slope of 1st line = slope of 2nd line. (i.e m1=m2).

Therefore, slope of PQ= slope of ST = -3.

Now, The point through which ST passes is (3,-1) and we found its slope as -3.

So, let's use one point formula.

$(y - y1) = m2(x - x1)$

$(y + 1) = - 3(x - 3)$

$y + 1 = - 3x + 9$

$y = - 3x + 8$

Comparing the equation with y = mx+c. We get y-intercept is "8".

Therefore, y-intercept is "8".

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Westkost [7]

Answer:

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Step-by-step explanation:

I don't think you can do anything further to this problem unless we have to solve for something.

If it is 3 square root of the whole thing, then the answer is -3 because

-3 x -3 x -3 = -27

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Hope this helps!

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2 years ago

Read 2 more answers

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Anika [276]

A. The scores in order are: 10, 12, 13, 14, 14, 16, 18, 23, 24, 26. The range is 26 - 10 = 16. The mean is the sum divided by 10, which is 17. The median is between 14 & 16, which is 15. The mode is 14, since it is repeated twice.
B. The variance is calculated by subtracting each score from the mean, squaring, and adding all such squares. Then divide by the number of terms (10) to get 27.6 Take the square root to get the standard deviation, which is 5.25.
C. This is for a population, since these are all 10 games that Jason played. (If it were a sample, we would divide by 9 only)

D. The mean of 17 is higher than the median of 15 and the mode of 14. This implies a left-skewed distribution. However, the SD of 5.25 is quite high relative to the mean of 17, so the distribution is not that clearly defined yet (more data points would make it clearer).

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3 years ago

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Kitty [74]

2 | 3

45| 67.5

33| 50

multiplying and dividing by 1.5 based off of the 2-3 ratio.

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3 years ago

−8x+4y=24 −7x+7y=28 What is the solution?

SVETLANKA909090 [29]

−8x + 4y = 24 -- (1)
−7x + 7y = 28 -- (2)

Eqn (1) & (2) are simplified as

y - 2x = 6 -- (3)
y - x = 4 -- (4)

By making y the subject of formula in (4), we have

y = x + 4 -- (5)

Substitute x + 4 for y in (3), then

x + 4 - 2x = 6
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- x = 2
x = - 2.

Substitute - 2 for x in (5), then

y = - 2 + 4
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Therefore, (x, y) = (- 2, 2) ...Ans.

5 0

3 years ago

Find the median from given data 2,5,1,6,3

weqwewe [10]

Answer: Median = 3

Explanation:

Sort the numbers to get {1,2,3,5,6}. The middle most number is 3, so that's the median.

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3 years ago

Find the y intercept​

Find the y intercept