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blondinia [14]
2 years ago
9

3. What is the graph that represents y = x-3

Mathematics
2 answers:
Oduvanchick [21]2 years ago
7 0

Answer:

Option C

Step-by-step explanation:

By looking at the equation y = x - 3 we can see that the slope is positive (so the line will have an upward trend) and that the y intercept is - 3 (which mean the line will go through the y axis in that point. So now we have two following statement....

  • line has an upward trend
  • line has the y intercept of (0,-3)

The only line following this statements is line C.

Scrat [10]2 years ago
5 0

Answer:

Option C

Step-by-step explanation:

-3 is the y intercept so the graph should intersect at -3 on the y axis.

x is positive so the graph should point up.

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Help with these please.
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7 0
3 years ago
Solve the system of equations using substitution and Elimination
juin [17]
<h2>Greetings!</h2>

Answer:

y = \frac{-18}{7} and x = \frac{50}{7}

Step-by-step explanation:

To solve simultaneous equations, you need to have the number in front of both x's or y's the same. (signs doesn't matter)

To get -x to -10x we simply  need to multiply the first equation by 10:

-x * 10 = -10x

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Now we can add the two equations:

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Now plug \frac{-18}{7} into the second equation:

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Move the \frac{360}{7} over to the other side, making it a positive:

10x = 20 + \frac{360}{7}

10x = \frac{500}{7}

Divide both sides by 10:

x = \frac{50}{7}

So y = \frac{-18}{7} and x = \frac{50}{7}


<h2>Hope this helps!</h2>
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Akimi4 [234]
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Now distribute the 4:</span>                   <span> 8x - 4 - 7 = 4 - x + 6.
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Now add x to both sides.             9x - 11 = 10.
Now add 11 to both sides.            9x = 21.
And divide by 9 on both side.      x = 21/9. </span>
6 0
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