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Ira Lisetskai [31]
3 years ago
5

9. Find the vertex of f(x) = –2x2 - 4x – 8

Mathematics
1 answer:
siniylev [52]3 years ago
4 0

Answer:

v;ldksl;v'k991930

Step-by-step explanation:

klkld;kakdsjjjjkklhjkl

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What is the equation of a vertical line that passes through (-3,-2)
densk [106]

Answer:

x=-3

Step-by-step explanation:

A vertical line is a line that is straight up and down.  It will have a constant x value.  The x value will be -3 since it passes through the point (-3,-2)

x=-3

6 0
3 years ago
Triangle XYZ is rotated 90° clockwise about the origin.
Vlad [161]

Answer:

(1,3)

Step-by-step explanation:

Rotating clockwise means that you're rotating by a negative angle measure. The rule for rotating -90 degrees is (x,y)->(y,-x). X is (-3,1) so X' should be (1,3) since you negate -3 to get 3 and switch the x and y coordinates.

4 0
4 years ago
Y=-2х - 4 y=x - 5 how many solutions does this have​
spayn [35]

Answer:

one solution

Step-by-step explanation:

-2x - 4 = x - 5

-3x - 4 = -5

-3x = -1

x = 1/3

y = 1/3 - 5

y = 1/3 - 15/3

y = -14/3

(1/3, -14/3)

5 0
3 years ago
when simplifying the expression y=(2x(x-3)(x-3))/(x-1)(x-3) do all of the x-3 s get cancelled or just one in the numerator and o
Ksju [112]

Answer:

Just one of the ones in the numerator and the one in the denominator

Step-by-step explanation:

7 0
3 years ago
A painter charges by the square foot and charges you $1,875 to paint a 750 square foot rental house. If you need 1300 square foo
Stella [2.4K]

In this question , it is given that

A painter charges by the square foot and charges you $1,875 to paint a 750 square foot rental house.

For 750 square foot, he charges $1875.

So for 1 square foot, he charges

= \frac{1875}{750} = $2.50 \ \per \ square \ foot

And for 1300 square foot, he charges

= 2.50*1300 = $3250

3 0
3 years ago
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