Algebra 1 A Semester Online Practice

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Question
The craft club is making bracelets and necklaces. It takes 25 beads to make a bracelet and 55 beads to make a necklace. The club has a maximum of 500 beads to use. Write a two-variable inequality to represent this situation. Is the point (−7,5)
a viable solution? Why or why not?(1 point)
Responses

Yes, because the y-value is a positive whole number and the point is within the solution set.
Yes, because the y -value is a positive whole number and the point is within the solution set.

Yes, because both numbers are integers and thus fit the constraint against fractions or decimal values.
Yes, because both numbers are integers and thus fit the constraint against fractions or decimal values.

No, because this point is not within the solution set for the inequality.
No, because this point is not within the solution set for the inequality.

No, because while this point is within the solution set, −7
does not represent a viable value in this context.

1 answer

To represent the situation where the craft club is making bracelets and necklaces with a maximum of 500 beads, we can define two variables:

  • Let \( x \) be the number of bracelets made.
  • Let \( y \) be the number of necklaces made.

The inequality describing the maximum number of beads used is:

\[ 25x + 55y \leq 500 \]

Next, we evaluate whether the point \( (-7, 5) \) is a viable solution:

  1. The x-value (number of bracelets) is -7, which is not possible since you cannot make a negative number of bracelets.
  2. The y-value (number of necklaces) is 5, which is a positive whole number, but that does not make up for the fact that the x-value is negative.

Therefore, options regarding the point's viability are as follows:

  • "Yes, because the y-value is a positive whole number and the point is within the solution set." is not correct.
  • "Yes, because both numbers are integers and thus fit the constraint against fractions or decimal values." is not correct either.
  • "No, because this point is not within the solution set for the inequality." is not quite accurate because it does not even fit the conditions of the problem.
  • "No, because while this point is within the solution set, -7 does not represent a viable value in this context." is the most appropriate explanation.

The correct response is: No, because while this point is within the solution set, -7 does not represent a viable value in this context.

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