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jok3333 [9.3K]
3 years ago
10

Determine which of the following points lies on the line of the linear equation y = -3x + 7. (4, -5) (4 ,19) (1, 5) (1, -19)

Mathematics
1 answer:
Harrizon [31]3 years ago
3 0

Answer:

(4, -5)

Step-by-step explanation:

we know that

If a ordered pair lie on the line, then the ordered pair must satisfy the equation of the line

we have

y=-3x+7

<u><em>Verify each ordered pair</em></u>

case 1) (4, -5)

substitute the value of x and the value of y in the linear equation and then compare the results

-5=-3(4)+7

-5=-5 ---> is true

so

The ordered pair satisfy the linear equation

therefore'

The ordered pair lie on the line

case 2) (4, 19)

substitute the value of x and the value of y in the linear equation and then compare the results

19=-3(4)+7

19=-5 ---> is not true

so

The ordered pair not satisfy the linear equation

therefore'

The ordered pair not lie on the line

case 3) (1,5)

substitute the value of x and the value of y in the linear equation and then compare the results

5=-3(1)+7

5=4 ---> is not true

so

The ordered pair not satisfy the linear equation

therefore'

The ordered pair not lie on the line

case 4) (1,-19)

substitute the value of x and the value of y in the linear equation and then compare the results

-19=-3(1)+7

-19=4 ---> is not true

so

The ordered pair not satisfy the linear equation

therefore'

The ordered pair not lie on the line

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