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Virty [35]
3 years ago
8

Write an equation of the line with a slope of −3 and y-intercept of 0

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
7 0

Answer:

y = -3x

Step-by-step explanation:

formula of slope is y=mx+b

you substitute the equation and you'll get

y = -3x

kipiarov [429]3 years ago
7 0

Answer:

y = -3x + 0

OR<em> (choose one of them)</em>

y = -3x

Step-by-step explanation:

slope intercept form: y = mx + b

slope M = -3

y-intercept  B = 0

y = -3x + 0

or

y = -3x

(When you don't put nothing after the slope the eqaution understands that the y-intercept is at the middle which is zero, so if there is nothing after the slope there is an invisible 0. So there is an invisible ( + 0) you can choose to add the + 0 or not, either way it's correct the only place where it's mandatory is if the y-intercept is NOT 0, then you write it out because the person can't guess what the y-intercept is lol.)

<em />

<u><em>Ace</em></u>

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Four different roads from Town A to Town B, and three different roads run from Town B to Town C. Two roads also run from Town A
LekaFEV [45]

Answer:

196

Step-by-step explanation:

To solve this, I broke it down into two parts.

A. Number of routes going to Town C

4 x 3 + 2 = 14

B. Number of routes going back to Town A

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From here, it is easy to see what to do. Since there are 14 routes going to Town C and 14 routes going back, the answer is 14 x 14 = 196.

5 0
3 years ago
write an equation in general form of the line passing through (3, -5) whose slope is the negative reciprocal of -1/4
IceJOKER [234]
Negative reciprocal means
-1/4 times x=-1 solve for x
multiply both sides by -4/1
x=-4
so slope=-4
y=mx+b
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y=-4x+b
input 3 for x and -5 for y
-5=-4(3)+b
-5=-12+b
add 12 to both sides
7=b
the equation in slope intercept form is y=-4x+7
that is my standard form
another standard form is
y+4x=7
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How do you factor these three trinomials?
larisa [96]

Answer:

here this should help you understand.

Step-by-step explanation:

https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratic-functions-equations/x2f8bb11595b61c86:completing-square-quadratics/v/completing-the-square-to-solve-quadratic-equations

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