Mathematics, 22.01.2020 20:31 NeonPlaySword

Which point is on the line y = -2x + 3?
(-2,-1)
(3, -3)
(3, 3)
(-3,-9)

Answers: 2

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Answers

Answer from: xdimplesjoon

Hence (3, -3) is on the given line y = -2x + 3

Step-by-step explanation:

For a point on the Line, It must Satisfy the Equation of a line

Therefore for

y=-2x+3

For (-2,-1)

Substitute x = - 2 and y = -1 in above equation

Left Hand Side = y

= -1

Right Hand Side = -2 × (-2) +3

= 4 +3

= 7

Left Hand Side ≠ Right Hand Side

Not Satisfied

Hence (-2,-1) is NOT on the given line

For (3, -3)

Substitute x = 3 and y = -3 in above equation

Left Hand Side = y

= -3

Right Hand Side = -2 × (3) +3

= -6 +3

= -3

Left Hand Side = Right Hand Side

Satisfied

Hence (3, -3) is on the given line y = -2x + 3

For (3, 3)

Substitute x = 3 and y = 3 in above equation

Left Hand Side = y

= 3

Right Hand Side = -2 × (3) +3

= -6 +3

= -3

Left Hand Side ≠ Right Hand Side

Not Satisfied

Hence (3,3) is NOT on the given line

For (-3,-9)

Substitute x = -3 and y = -9 in above equation

Left Hand Side = y

= -9

Right Hand Side = -2 × (-3) +3

= 6 +3

= 9

Left Hand Side ≠ Right Hand Side

Not Satisfied

Hence (-3,-9) is NOT on the given line

Answer from: Quest

11 feet 6 inches and 8 feet 6 inches

Answer from: Quest

$w\geq 14$

the smallest possible measurement of the width is 14 feet

step-by-step explanation:

let's assume length of parallelogram is 'l'

width of parallelogram is 'w'

the perimeter of a parallelogram must be no less than 40 feet

so, we get

$2l+2w\geq 40$

we are given

length of parallelogram is 6 feet

so,

l=6

we can plug it

$2\times 6+2w\geq 40$

now, we can solve for w

$12+2w\geq 40$

subtract both sides by 12

$12+2w-12\geq 40-12$

$2w\geq 28$

divide both sides by 2

and we get

$w\geq 14$

so,

the smallest possible measurement of the width is 14 feet

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You know the right answer?

Which point is on the line y = -2x + 3?
(-2,-1)
(3, -3)
(3, 3)
(-3,-9)...