How can you tell if a function is linear by looking at the graph or the equation

1 answer:

7 0

Every linear graph is just a straight line, so if there are any curves or unnatural shapes, than you know it is not linear. As for equations, if it can be shaped into y=mx+b where m and b are numbers, then it will be a linear equation.

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What is 63= 9k;6,7,8

OLEGan [10]

63 = 9k

divide by 9 on each side to get k by itself

k = 7

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3 years ago

Pls help I’ll give u 50 points for the right answer

Gwar [14]

Answer:

$0.25

Step-by-step explanation:

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Please solve 3(-4 + x) < -33

Dvinal [7]

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x < -7

Step-by-step explanation:

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Which expression is equivalent to (5^3)^2

Katarina [22]

Answer:

$(5^3)^2 = 5^6 = 15625$

good luck, i hope this helps :)

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Csqrt%7B%20x%5E%7B2%7D-10x%2B25%7D%2B25%2B12%5Csqrt%7Bx%7D%20%3D15%5Csqrt%7Bx%7D" id="TexFor

vodomira [7]

Step-by-step explanation:

$\sqrt{ x^{2}-10x+25}+25+12\sqrt{x} =15\sqrt{x} \\ \\ \therefore \: \sqrt{ x^{2}-10x+ {5}^{2} }+25 =15\sqrt{x} - 12\sqrt{x}\\ \\ \therefore \: \sqrt{( x - 5)^{2}}+25 =3\sqrt{x} \\ \\ \therefore \: x - 5+ 25 = 3 \sqrt{x} \\ \\ \therefore \: x + 20 = 3 \sqrt{x} \\ \\ squaring \: both \: sides \\ (x + 20)^{2} = ( {3 \sqrt{x} })^{2} \\ \therefore \: {x}^{2} + 40x + 400 = 9x \\ \therefore \: {x}^{2} + 40x + 400 - 9x = 0 \\ \therefore \: {x}^{2} + 31x + 400 = 0 \\$

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3 years ago

How can you tell if a function is linear by looking at the graph or the equation​

How can you tell if a function is linear by looking at the graph or the equation