for the data in the table, does y vary directly with x? if it does, write an equation for the direct variation

1 answer:

algol133 years ago

8 0

Answer:

No; y does not very directly with x.

Step-by-step explanation:

y=2x: 2×6 is not 18

y=3x: 2×3 is not 6

y=4x: 3×4 is not 6

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likoan [24]

Answer:

$y\leq 1.93$

Step-by-step explanation:

To know the value that y takes according to the inequation $-3(5y-4)\geq 17$ , we must do some algebra.
First of all, we divide both terms by (-3), wich would change the direction of the inequality, as follow: $(5y-4)\leq\frac{17}{(-3)}$ (at this point you should remember that dividing or multiplying an inequation by anegative number changes the direction of the inequality)..
This means that $(5y-4)\leq 5.67$ . Then,we just have to add both sides 4, which yields $5y\leq 5.67+4$ .
Then $5y\leq 9.67$ , which means that, if we divide both sides by 5, we obtain the value of y: $y\leq 1.93$ (in this case, the direction of inequality does not change because 5 is possitive).