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Julli [10]
3 years ago
10

In the standard (x, y) coordinate plane, if the x-coordinate of each point is 2 times the y-coordinate, what is the slope of the

line?
Mathematics
1 answer:
aleksklad [387]3 years ago
8 0

Answer:

the slope is 1/2

Work:

if the x-coordinate is two times the y-coordinate, that means you are going up one over two each time

slope= y2-y1/x2-x1

so you can pick two points, like (2, 1) and (4,2) and use the formula

slope= 2-1/4-2= 1/2

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Find the distance between the points (<br> -<br> 10,12) and (15,12).
Nitella [24]
The distance formula is:

d= \sqrt{(x_1-x_2)^2+(y_1-y_2)^2}

We are given two points in the form (x,y), so plug in the values to the distance formula:

d= \sqrt{(-10-15)^2-(12-12)^2}

Next we can simplify. We know that 12-12 is 0, so we can drop it from the equation, as it will not affect our answer. Also, we know that -10-15 is -25:

d= \sqrt{(-25)^2}

The square and square root cancel each other out leaving us with 25.

The answer is 25.


5 0
3 years ago
Solve for x: y=-3x+6
vazorg [7]
The answer is : x= -y/3+2
8 0
3 years ago
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Solve each equation using the quadratic formula. Find the solutions.<br><br> x^2 - 6x + 7 = 0
LuckyWell [14K]
X^2-6x+7=0

-b +/- sqrt b^2-4ac all over 2a

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6+/- sqrt 36-4×1×7 all over 2×1

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6+/- 2sqrt2 all over 2
reduce
3+/- sqrrt2





5 0
3 years ago
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Consider this equation (csc x+1)/cot x = cot x/(csc x +1) is it an identity?
levacccp [35]
Cross multiplying:-
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also  cot^2 x =  csc^2 x - 1  = (csc x + 1)(csc x - 1)  (Known Identitiy)

so the equation is not an identity
7 0
2 years ago
What are the solutions of 6x2 + 2x – 20 = 0? x = x =
Darina [25.2K]

6x² + 2x - 20 = 0

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x = \frac{-5}{2} , x = 2

Answer: x = {\frac{-5}{2}, 2}



3 0
3 years ago
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