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Solnce55 [7]
4 years ago
8

Vladimir says that the equation of the line that passes through points above Robyn says that the line passes through the points

above Who is correct?​

Mathematics
1 answer:
aleksley [76]4 years ago
8 0

Answer:

Both are correct

Step-by-step explanation:

The Line has the following equation: y= 1+4/5 x

So we need to know which points: (-5,-3) and (10,9), (-10,-7). (-15, -11) are part of the line

For instances, lest start by evaluating (-15,-11) in y=1+4/5 x

this leaves us to the following operation: -11=1+4/5 * (-15)

-11=1-4*3 resulting in a equality -11=-11, this point does belong to the line

Repeat the above for all of the remaining points and you will get the same conclusion, that is we Vladimir and Robyn are correct.

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5. Sarahi found the distance between two points on a coordinate plane to be √74. Can this answer be simplified? Explain.
swat32

Answer:

The answer can't be simplified.

Step-by-step explanation:

In order to answer the question, you have to calculate the prime factors of 74 to see if the expression can be simplified.

If at least one of the prime factors has an exponent bigger or equal than 2 (because the expression has a squareroot), then the expression can be simplified using the properties of exponential numbers and irrational numbers to extract the factor or the factors from the squareroot.

(For example the property \sqrt[n]{x^{k+n} } =\sqrt[n]{(x^{k})(x^{n})}=x\sqrt[n]{x^{k} })

Calculating the prime factors:

74/2 = 37 but 37 is a prime number so:

37/37 =1

74 = 2 x 37

Therefore, \sqrt{74} can't be expressed as a simplier number.

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