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malfutka [58]
2 years ago
14

Linear equation in slope intercept form that passes through (-12, 14) and (6, -1)

Mathematics
1 answer:
strojnjashka [21]2 years ago
3 0

Answer:

uhhh... why dont you check my work lol

Step-by-step explanation:

y = -15/18x + b

-1 = -15/18 (6) + b

-1 = 5 + b

-6 = b

check your work:

14 = -15/18(-12) - 6

14 = 10 - 6

14 = 4

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3 years ago
Solve the following equation: <br><br> x^3 -168 = [24(x-2)] / 2<br><br> PLEASE REPLY ASAP
Nataly_w [17]
Hi Larry

x^3 - 168 = [ 24(x-2)] / 2
x^3 - 168 = (24x - 48)/2
x^3 - 168 = 12x - 24
Subtract 12x - 24 to both sides
x^3 - 168 - (12x - 24) = 12xx - 24 - (12x - 24)
x^3 - 12x - 144 = 0
Now, factor the left sides
(x - 6)(x^2 + 6x + 24) = 0
Set factors equal to 0
x - 6 = 0 or x^2 + 6x + 24 = 0
x = 0 + 6 or x^2 + 6x + 24 - 0
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7 0
3 years ago
Using the following image, determine if the triangles are similar. If so, how?
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They are similar and the answer is SSS
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2 years ago
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AVprozaik [17]

Answer:  (x,y) = (-1, 1)

This means that x = -1 and y = 1

========================================================

Explanation:

The first equation says that y is the same as 2x+3

That allows us to substitute y for 2x+3 in the second equation like so:

2x+5y = 3

2x+5( y ) = 3

2x + 5(2x+3) = 3 .... y replaced with 2x+3

2x+10x+15 = 3

12x+15 = 3

12x = 3-15

12x = -12

x = -12/12

x = -1

Then we'll substitute this into the first equation to find y

y = 2x+3

y = 2(-1) + 3 .... x replaced with -1

y = -2+3

y = 1

Together x = -1 and y = 1 pair up to form the ordered pair solution (x,y) = (-1,1)

If you were to graph y = 2x+3 and 2x+5y=3 on the same xy grid, then you should see that the two lines intersect at the location (-1,1). This is a visual way to determine the solution quickly through use of a graphing calculator.

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2 years ago
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Goryan [66]
-20,-10,-5,0,5,10,20
4 0
3 years ago
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