Mathematics, 03.08.2019 12:30 Gababon

Aline with slope -1/2 passes through point q (6, 7). does point s (2, 5) lie on this line?

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Answers

No

Find the equation of the line using slope-intercept form: y = mx + b
y = -1/2x + b ^ ^
slope y-intercept

Find b, the y-intercept (where the line intersects the y-axis) by substituting the coordinates of point Q (6, 7).
y = -1/2x + b Subtitution
7 = -1/2(6) + b Simplify
7 = -3 + b Add 3 to both sides
10 = b Isolated b
b = 10 Isolated b

Using the above information, find the equation of the line.
y = -1/2x + b
y = -1/2x + 10

To find if point S (2,5) lies on the line, substitute in its coordinates in the equation of the line.
y = -1/2x + 10 Substitution
5 = -1/2(2) + 10 Simplify
5 = -1 + 10 Simplify
5 = 9 --> If the statement is true, the point lies on the line.
If the statement is false, the point does not lie on the line.

In this case, 5 does not equal 9. Therefore, point S does not lie on the line.

Answer from: Quest

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

Answer from: Quest

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!

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