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ella [17]
3 years ago
6

Help me please this is due tommorow

Mathematics
1 answer:
koban [17]3 years ago
3 0
Q(-3,-3)
R(3,2)
S(5,2)
T(5,-4)
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What is the standard form equation of the line shown below?
nadya68 [22]

Answer: Choice A

x+3y = 14

======================================================

Explanation:

The general template for standard form is Ax+By = C, where A,B,C are integers.

This immediately rules out choices C and D, since they don't fit the format mentioned.

To see which of A or B we can eliminate or confirm, plug (x,y) coordinates from the graph into each answer choice. The ultimate goal is to get a true statement.

For example, the graph shows that (x,y) = (2,4) is on the line. Plug this into choice A to get...

x+3y = 14

2+3(4) = 14

2+12 = 14

14 = 14 this is true

So far so good. The point (2,4) is on the line x+3y = 14. Repeat those steps for (-1, 5) and you should get another true result. So that would confirm choice A is the answer. You only need a minimum of two points to define a unique line, meaning we only need to verify two points on the line. Anything more is just extra busy work.

---------

If we tried (2,4) with choice B, then,

5x+3y = 14

5(2)+3(4) = 14

10+12 = 14

22 = 14 which is false

This indicates (2,4) is not on the line 5x+3y = 14. We can rule out choice B because of this.

3 0
3 years ago
Read 2 more answers
What is a definition of a Line ?
solmaris [256]

Answer:

<u><em>noun</em></u>

1. a length of cord, rope, wire, or other material serving a particular purpose.

2. a long, narrow mark or band.

<u><em>verb</em></u>

1. stand or be positioned at intervals along.

2. mark or cover with lines.

4 0
2 years ago
Cranberry juice costs $6.30 per quart and apple juice costs $3.60 per quart. Terrence wants to know how many quarts q of cranber
riadik2000 [5.3K]

Q = The Ammount Of Cranberry Juice

(q+4)*4.50=q*6.30+4*3.60

4.5*q+18=6.30*q+14.4

6.30*q-4.5*q=18-14.4

1.8*q=3.6

q=3.6/1.8

It Would Be 2 Quarts Of Cranberry Juice

4 0
3 years ago
Jack said “5 times my age in 2 years is 100.” How old is jack now.
omeli [17]

Answer:

Jack is 18 years old

Step-by-step explanation:

100:5=20

20-2=<u>18</u>

8 0
3 years ago
The point-slope form of the equation of the line that passes through (-4,-3) and (12, 1) is y-1 =
ivolga24 [154]

Answer:

x-4y=8

Step-by-step explanation:

4 0
2 years ago
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