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5 votes
Which ordered pairs are solutions to the inequality 2y−x≤−6 ?

Select each correct answer.



(0, −3)

(2, −2)

(1, −4)

(6, 1)

(−3, 0)

2 Answers

5 votes
try plugging them in, might seem tedious, but it's the best way to practice. if you plug in a pair and the left side of the equation is less than or equal to 6, it's the right answer.
User Coolcrab
by
5.9k points
1 vote

we have


2y-x\leq -6

we know that

if a ordered pair is a solution of the inequality

then

the ordered pair must satisfy the inequality

we will proceed to verify each case to determine the solution of the problem

case A)
(0,-3)

Substitute the value of x and y in the inequality, if the inequality is true, then the ordered pair is a solution of the inequality

so


2*(-3)-0\leq -6


-6\leq -6 -------> Is True

therefore

the ordered pair
(0,-3) is a solution of the inequality

case B)
(2,-2)

Substitute the value of x and y in the inequality, if the inequality is true, then the ordered pair is a solution of the inequality

so


2*(-2)-2\leq -6


-6\leq -6 -------> Is True

therefore

the ordered pair
(2,-2) is a solution of the inequality

case C)
(1,-4)

Substitute the value of x and y in the inequality, if the inequality is true, then the ordered pair is a solution of the inequality

so


2*(-4)-1\leq -6


-9\leq -6 -------> Is True

therefore

the ordered pair
(1,-4) is a solution of the inequality

case D)
(6,1)

Substitute the value of x and y in the inequality, if the inequality is true, then the ordered pair is a solution of the inequality

so


2*(1)-6\leq -6


-4\leq -6 -------> Is False

therefore

the ordered pair
(6,1) is not a solution of the inequality

case E)
(-3,0)

Substitute the value of x and y in the inequality, if the inequality is true, then the ordered pair is a solution of the inequality

so


2*(0)-(-3)\leq -6


3\leq -6 -------> Is False

therefore

the ordered pair
(-3,0) is not a solution of the inequality

therefore

the answer is


(0,-3)


(2,-2)


(1,-4)

User Allen Chou
by
7.8k points