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Is (2,1)(2,\,1) a solution to this system of inequalities?\newline4x + y < 15\newline2x+16y202x + 16y \geq 20\newlineChoices:\newline(A)yes\newline(B)no

Full solution

Q. Is (2,1)(2,\,1) a solution to this system of inequalities?\newline4x+y<154x + y < 15\newline2x+16y202x + 16y \geq 20\newlineChoices:\newline(A)yes\newline(B)no
  1. Check Point (2,1)(2, 1): Check if the point (2,1)(2, 1) satisfies the inequality 4x + y < 15. Substitute x=2x = 2 and y=1y = 1 into the inequality. 4(2) + 1 < 15 8 + 1 < 15 9 < 15 Since 99 is less than 1515, the point (2,1)(2, 1) satisfies the first inequality.
  2. Check Inequality 11: Check if the point (2,1)(2, 1) satisfies the inequality 2x+16y202x + 16y \geq 20. Substitute x=2x = 2 and y=1y = 1 into the inequality. 2(2)+16(1)202(2) + 16(1) \geq 20 4+16204 + 16 \geq 20 202020 \geq 20 Since 2020 is equal to 2020, the point (2,1)(2, 1) satisfies the second inequality as well.
  3. Check Inequality 22: Determine if the point (2,1)(2, 1) is a solution to the system of inequalities.\newlineSince the point (2,1)(2, 1) satisfies both inequalities, it is a solution to the system.

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