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Veseljchak [2.6K]
3 years ago
9

What are 2 points on the graph for 6x-5y=25

Mathematics
1 answer:
zepelin [54]3 years ago
8 0
To find any two random point on the graph of 6x-5y=25, we can just plug in any two values for x and solve for y, and find the 2 points in the form of (x,y).

So lets plug in x=0.

\sf 6x-5y=25
\sf 6(0)-5y=25
\sf -5y=25
\sf y=-5
So one point is (0,-5)

And to find another point, we can plug in x=1

\sf 6x-5y=25
\sf 6(1)-5y=25
\sf 6-5y=25
\sf -5y=25-6
\sf -5y=19
\sf y=19/-5
\sf y=-3.8
So another point is (1,-3.8)
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Consider the quadratic equation x2 − 6x = 16.
e-lub [12.9K]

Answer:

  1. C) (x − 3)2 = 25
  2. C) Factor out 4 from 4x2 + 40x.

Step-by-step explanation:

1. Adding the square of half the x-coefficient to both sides of the equation will "complete the square." That square is 9, so the result on the right is 16+9 = 25. Only selection C matches.

___

2. To complete the square, you want to be able to put the quadratic into the form a(x -h)^2 = -k. For the purpose, it is most convenient to first factor "a" from the given quadratic. Then you can determine "-h" to be half the x-coefficient inside the parentheses.

Here, that looks like ...

  4(x² +10x) = 80 . . . . . . . . . . step 1: factor out 4

  4(x² +10x +25) = 180 . . . . . add 25 inside parentheses and the same number (4·25) on the right side of the equation

  4(x +5)² = 180 . . . . . . . . . . . written as a square

8 0
3 years ago
I will give brainliest and A LOT OF POINTS please help!!!!!!!!!!!!!!!!!
DedPeter [7]

Answer:

(10,2)(20,4)(30,6)(40,8)

Step-by-step explanation:

In each bracket the first digit divided by the second is equal to 5

10÷2=5

20÷4=5

30÷6=5

40÷8=5

3 0
2 years ago
Which of the following shows all of the factor pairs of 28?
kow [346]

The factor pairs of a number when multiplied give the original number.

Therefore, all the factor pairs of 28 are:

\begin{gathered} 1\times28; \\ 2\times14; \\ 4\times7 \end{gathered}

The correct choice is the first one

4 0
1 year ago
find the slope between each pair of points please help with these three questions and i’ll mark the brain thing !
madam [21]

(If It's a number like this: 8/9 then it's a fraction)

Answer:

<h2><em><u>9. -2/6</u></em></h2><h2><em><u>10. -6/-10</u></em></h2><h2><em><u>11. 3/4</u></em></h2>

Step-by-step explanation:

Yay, I love doing these!

9.} 6 - 8 and 4- -2= -2/6

10.} 3 - 9 and -1 - 9= -6/-10

11.} -1 - -7 and 5 - -3= 6/8 simplify it by 2= 3/4

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3 years ago
Calculate the slope of the line (-6,-3) (-2,-3)
Vika [28.1K]

Answer:

There is no slope

Step-by-step explanation:

When finding the slope both numbers have to be positive without positive numbers you will not have a positive slope there fore no slope

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