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Alex Ar [27]
3 years ago
12

Whats the point of intersection between these two lines?x+y=10x+2y=14

Mathematics
2 answers:
Yakvenalex [24]3 years ago
4 0
You have to make an equation that i forgot what was called but you just take
x+y=10 and multiply it by -2 so the y’s can cancel out

so you’ll end up with:

-2x-2y= -20
(+) x+2y=14

you’ll get : x = -6


then you plug in -6 for x, solve for y and your coordinates will be

(-6 , 10)
Alexus [3.1K]3 years ago
4 0
The point of intersection is the (4,6)

<u>Explanation: </u>

We will find the solution of the two equations.

The two equations are: 
<span>x+y=10..(1)
x+2y=14 ...(ii)
subtracting equation (i) from (ii) we get,

x+2y -x-y = 14-10
y = 4

Now, from (i), x+y = 10
x +4 = 10
x = 10-4
x = 6

Hence, the intersection point is (4,6)</span>
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Answer:

x1, x2 = 4.74 , -2.74

Step-by-step explanation:

To find the roots of a quadratic function we have to use the bhaskara formula

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x^2 - 2x - 13

a = 1     b = -2    c = -13

x1 = (-b + √ b^2 - 4ac)/2a

x2 =(-b - √ b^2 - 4ac)/2a

x1 = (2 + √ (2^2 - 4 * 1 * (-13)))/2 * 1

x1 = (2 + √ (4 + 52)) / 2

x1 = (2 + √ 56 ) / 2

x1 = (2 + 7.48) / 2

x1 = 9.48 / 2

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x2 = (2 - √ (2^2 - 4 * 1 * (-13)))/2 * 1

x2 = (2 - √ (4 + 52)) / 2

x2 = (2 - √ 56 ) / 2

x2 = (2 - 7.48) / 2

x2 = -5.48 / 2

x2 = -2.74

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3 years ago
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Please help! Thank you:)
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The answer would <em><u>B</u></em><em><u /></em><u />e........

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