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Alexus [3.1K]
3 years ago
6

How to find y-intercept?

Mathematics
1 answer:
Nina [5.8K]3 years ago
5 0
Put x= 0 and calculate you will get the y-intercept and for x intercept put y=0
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Classify the system of equations 2x=-3-y 4+y=-2x-2
mars1129 [50]

Answer:

parallel

Step-by-step explanation:

we have

2x=-3-y

isolate the variable y

y=-2x-3 ----> equation A

4+y=-2x-2

isolate the variable y

y=-2x-2-4

y=-2x-6 -----> equation B

Remember that

If two lines are parallel, then their slopes are the same

Line A and Line B have the same slope m=-2 and different y-intercept

therefore

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4 0
3 years ago
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A line that includes the point (0, -2) has a slope of -3. What is its equation in slope-intercept form?
denpristay [2]

Answer:

y=-3x-2

Step-by-step explanation:

Equation of straight line in slope intercept form is given as

y=mx+b-------- (1)

Here m=-3 and (x_1, y_1)=(0, -2)

y-y_1 = m(x-x_1) \\ y+2 = - 3(x-0) \\ y =-3x-2----------- (2)

Comparing (1) and (2)

m=-3 and b=-2

Equation (2) is equation of straight line with slope -3 and y-intercept -2 in slope intercept form

5 0
3 years ago
There is an initial fee to join a gym, plus a
VashaNatasha [74]

Answer:

the equation of the line is y = -1/-30 - 3⅙ and the y intercept is -3⅙.

Step-by-step explanation:

Using, the formula y1+y2/x1-x2,

Choosing any two points, make the expression:

1-2/125-155

simplify:

-1/-30

the slope of the equation is -1/-30.

to find y intercept, using the function y=mx+b, plug in the slope and one of the two points that you used:

y would be 2

x would be 155

b is the y intercept

2= -1/-30•155 + b

2=5⅙+b

b = - 3⅙

the equation of the line is y = -1/-30 - 3⅙ and the y intercept is -3⅙.

8 0
3 years ago
The non-fiction section of the Montgomery County Library has 15 racks. If each rack holds 528 books, what is the total collectio
Debora [2.8K]

Answer:

when you do 15×528 you get 7920 books

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3 years ago
A ladder rests against a wall. If the angle between the ladder and the ground is 35° and the foot of the ladder is 1.5m from the
kolbaska11 [484]

in conclusion to d drawing

my answer is 2.1423

6 0
3 years ago
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