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kozerog [31]
2 years ago
5

Find the solutions of the quadratic equation 2x2 + 6x - 2 = 0.

Mathematics
1 answer:
nekit [7.7K]2 years ago
6 0

Sorry didn't know how to write the answer so I just took a screen shot of my answer for you!

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The given line passes through the points (-4,-3) and (4,
Harlamova29_29 [7]

Answer:

Step-by-step explanation:

first we gotta find the slope of the first line

(-4,-3),(4,1)

slope = (y2 - y1) / (x2 - x1) = (1- (-3) / (4 - (-4) = (1 + 3) / (4 + 4) = 4/8 = 1/2

so the slope is 1/2.....so we are looking for a line that is perpendicular....perpendicular lines have negative reciprocal slopes...all that means is flip the slope and change the sign....so the slope we need is :

1/2....flip it....2/1.....change the sign....-2.....we need a -2 slope

y - y1 = m(x - x1)

slope = -2

(-4,3)...x1 = -4 and y1 = 3

now sub

y - 3 = -2(x - (-4) =

y - 3 = -2(x + 4) <=====

6 0
3 years ago
I tried answering this but I don't think its right ​
iogann1982 [59]
Yeah that is correct. 3/4 is equal to .75
7 0
3 years ago
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NO LINKS. Find the measure of the angle or arc indicated. Part 2<br>​
sergeinik [125]

9514 1404 393

Answer:

  14.  C) 136°

  15.  C) 40°

Step-by-step explanation:

Inscribed angles are half the measure of the arc they intercept. For an inscribed quadrilateral, this means opposite angles are supplementary.

__

14) ∠H +∠W = 180°

  34x +55x +2 = 180

  89x = 178 . . . . . . . . . subtract 2

  x = 2 . . . . . . . . . . . . . divide by 89

  arc VX = 2(34x) = 68(2) = 136 . . . degrees

__

15) The sum of angles in the triangle is 180°.

  ? + 80° + (120°/2) = 180°

  ? = 40° . . . . . . . . . . subtract 140°

6 0
2 years ago
Read 2 more answers
Can someone please answer! There is a picture. Thank you!!!!
almond37 [142]
In the left/right direction, your circle (at it's biggest point) goes from -5 to 5
the middle of -5 and 5 is 0
so the center of your circle should have a x = 0
in the (x , y) point

the only option that has
(0, something)
is C
Therefore your answer is C
5 0
3 years ago
I want to know how to find the surface area of this prism?<br><br>​
lesya [120]

A = 2(lw+hl+hw)

A = 366

4 0
3 years ago
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