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Goshia [24]
4 years ago
15

Do the equations y = - 5/4x + 2 and 10x + 8y = 16 define the same line?

Mathematics
1 answer:
aleksley [76]4 years ago
3 0
In order to solve this you could take the two equations and put them in the same format. 
The first equation:          <span>y = - 5/4x + 2
The second equation:    </span>10x + 8y = 16  For this one, you could take the 16                                                                 and subtract it, and then take the 8y                                                               and subtract it.                                                                        10x - 16 = -8y   Divide both sides by -8                                                         -10/8x + 2 = y    Simplify
                                    -5/4x + 2 = y
Now you can compare the two equations:
Equation 1: <span>y = - 5/4x + 2
</span>Equation 2: y = - 5/4x + 2 

You can obviousley see that they are in fact the same. 
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Answer:

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Step-by-step explanation:

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3 years ago
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7 0
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Solve with quadratic formula or factor square 2x to the 2nd power -x =3
BabaBlast [244]

Answer:

Step-by-step explanation:

2x²-2x=3

2x²-2x -3 = 0

note :

the discriminat of each quadratic equation : ax²+bx+c=0 ....(a ≠ 0) is :

Δ = b² -4ac

1 )  Δ > 0  the equation has two reals solutions : x =  (-b±√Δ)/2a

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3 ) Δ < 0 : no reals solutions

***** in this exercice : a = 2   b = -2   c = -3

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4 0
4 years ago
Round 5.56 to the nearest tenth
gizmo_the_mogwai [7]
5.56 rounded to the nearest tenth is 5.6

hope this helps

since 6 is greater than 5


8 0
4 years ago
Read 2 more answers
Write 6,000,370 in scientific notation. 0.600037 x 10-7 6.00037 x 10-6 6.00037 x 106 0.600037 x 107
e-lub [12.9K]
  <span> The third answer is right. Scientific notation is always expressed with one digit before the decimal and is multiplied by the power of ten to compensate for the offset.

Also when writing without access to superscript use either of these methods to express the exponent.
6.000370 x 10^6
6.000370 E6 </span>
3 0
4 years ago
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