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Molodets [167]
3 years ago
7

Determine which ordered pair is a solution of y = –5x + 10. a. (–15, 5)

Mathematics
2 answers:
maria [59]3 years ago
7 0
Y = - 5 x + 10
A ) x = - 15, y = 5
5 = 75 + 10
5 ≠ 85
B ) x = 2, y = 0
0 = - 5 · 2 + 10
0 = 0  ( correct )
C ) x = - 1,  y = - 5,
- 5 = 5 + 10
- 5 ≠ 15
D ) x = 3, y = 25
25 = - 15 + 10
25 ≠ - 5
Answer:
B ) ( 2, 0 )
bija089 [108]3 years ago
4 0

Answer:

B. (2,0)

Step-by-step explanation:

The given equation is;

y=-5x=10

If an ordered pair is a solution, then the ordered pair must satisfy the given equation.

For (-15,5),we have

5=-5(-15)+10

5=75+10,this is FALSE.

For (2,0), we have

0=-5(2)+10

0=-10+10, this is TRUE

For (-1,-5), we have;

-5=-5(-1)+10

-5=5+10, this is FALSE.

For (3,25), we have;

25=-5(3)+10

25=-15+10, this is FALSE

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2 hours 15 and 25 seconds translates to 75 minutes and 25 seconds and that translates to 75.41 minutes

75.41/26.2=2.8782

if you round up its 3.2 minutes

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The function y = 3.75 + 1.5 (x - 1) can be used to determine the cost in dollars for a taxi ride of x miles. Give the number whi
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3 years ago
Line L is mapped onto the line t by a dilation centered at
STatiana [176]

The equation of line T is 2x - y = 7 ⇒ (6x - 3y = 21)

Step-by-step explanation:

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size

  • If the equation of a  line is ax + by = k is dilated, with center origin and scale factor k, then the equation of the image of the line is kax + kby = kc
  • The line and its image are parallel
  • The coordinates of a general point on the image is (kx , ky)

Line L is mapped onto the line T by a dilation centered at the origin and  a scale factor of 3.

That means lint T is the image of line L after dilation

∵ The equation of line L is 2x - y = 7

∵ Line L is dilated by scale factor 3 and centered at origin

- That means multiply the equation of line L by 3 to find the

   equation of line t

∵ Line T is the image of line L after dilation

∴ The equation of line T is (3)(2x) - (3)(y) = (3)(7)

∴ The equation of line T is 6x - 3y = 21

<em>Very important note:</em>

The equation of line T is the same with equation of line L but multiplied by the scale factor 3 ⇒ L and T are coincide lines (same line)

That means the equation of lines T and L is 2x - y = 7

The equation of line T is 2x - y = 7 ⇒ (6x - 3y = 21)

Learn more:

You can learn more about dilation in brainly.com/question/2480897

#LearnwithBrainly

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