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Alika [10]
2 years ago
12

What is the equation of a parabola with veryex (-5,6) and a =3

Mathematics
1 answer:
Vaselesa [24]2 years ago
5 0

Answer:

b=3 ÷a=y I think

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Write the equation of a line that is perpendicular to y=7x−2 and passes through the point (14,8).(1 point) y=7x−90 y=10x−17 y=−1
True [87]

Answer:

\huge\boxed{y=-\frac{1}{7}x+ 10}

Step-by-step explanation:

In order to find the equation of this line, we need to note two things.

  • A) The slope of two lines that are perpendicular will be opposite reciprocals (that is, multiplying them gets us -1.)
  • B) We can substitute a point inside an incomplete equation to try and find a missing value.

So first, let's find the opposite reciprocal of 7 which will be the slope to this equation.

  • <u>Reciprocal of 7:</u>    \frac{1}{7}
  • <u>Opposite of </u>\frac{1}{7}:    -\frac{1}{7}

So the slope of this line will be -\frac{1}{7}. The y-intercept will change, and we can substitute what we know into the equation y=mx+b.

y = -\frac{1}{7}x+b

Now, we can substitute a point on the graph (14, 8) into this equation to find b.

  • 8 = -\frac{1}{7} \cdot 14 + b
  • 8 = -\frac{14}{7} + b
  • 8 = -2 + b
  • b = 10

Now that we know the y-intercept, we can finish off our equation by plugging that in.

y = -\frac{1}{7}x + 10

Hope this helped!

7 0
2 years ago
Read 2 more answers
Someone please please..help me I don’t want to fail this..
Arada [10]

Step-by-step explanation:

hope it helps you........

6 0
3 years ago
Neeeeeed the help please
lions [1.4K]
The correct answer is -5/7. Hope this helps.
8 0
3 years ago
Which choice should i pick<br> A.0.27<br><br> B.0.25<br><br> C.0.07<br><br> D.0.33
Vladimir79 [104]

Answer:

B.0.25

Step-by-step explanation:

7 0
2 years ago
Triangle ABC is translated according to the rule (x,y) arrow (x+2,y-8) if the coordinates of the pre image of point B are (4,-5)
kherson [118]
Answer: the coordinates of B' are (6, -13)

Justification:

1) Translating triangle ABC according to the rule (x,y) → (x + 2, y - 8) means that every single point of the triangle will be translated two units to the righ (x + 2) and 8 units downward (y - 8).

2) To find the coordinates of anay image you have to add up 2 to the x coordinate (x + 2) and subtract 8 from the y-coordinate (y - 8).

3) Peforming those simple operations to the coordinates of the point B (4, -5), you will obtain the point B':

* x' = x + 2 = 4 + 2 = 6
* y' = y  - 8 = -5 - 8 = - 13

Answer: the coordinates of B' are (6, -13)
5 0
3 years ago
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